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Research School of Earth Sciences - Hrvoje Tkalčić - PUBLICATIONS

Publications

(last updated May 2022)

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(** Collaboration with undergraduate student advisee)

(* Collaboration with graduate student advisee)

Photo: Melissa Adams, Canberra Times


ACADEMIC BOOK
Tkalčić, H.
, THE EARTH'S INNER CORE Revealed by Observational Seismology, Cambridge, UK: Cambridge University Press. https:/doi.org.10.1017/9781139583954, 2017.
Available from CAMBRIDGE UNIVERSITY PRESS from January 2017






A PAPER ON ANDRIJA MOHOROVIČIĆ IN "NAIFURU" - SEISMOLOGICAL SOCIETY OF JAPAN
Tkalčić, H., Andrija Mohorovičić - an extraordinary scientist who pointed his binoculars down, Seismological Society of Japan - Naifuru, 105, 2016.

Original version of the article is published in Japanese language. Translation credit: Dr Satoru Tanaka, JAMSTEC. Article in Japanese English version


A PAPER ON THE OCEAN BOTTOM SEISMOLOGY AND OUR VOYAGE TO THE FURIOUS FIFTIES IN EOS
Tkalčić, H., C. Eakin, M. F. Coffin, N. Rawlinson, and J. Stock, Deploying a submarine seismic observatory in the Furious Fifties, Eos, 102, https://doi.org/10.1029/2021EO159537, 2021. Open access



PAPERS IN REVIEW
112. Muir, J., S. Tanaka, and H. Tkalčić, Long-wavelength topographyand multi-scale velocity heterogeneities at the core-mantle boundary, submitted, 2022.

111. *Wang, S. and H. Tkalčić, Scanning for planetary cores from inter-source correlations via a single seismograph, submitted, 2022.

110. Ma, X. and H. Tkalčić, A new view of the Earth's outer core through the global coda correlation wavefield, submitted, 2022.

109. *Dofal, A., L. Michon, F. Fontaine, G. Barruol, and H. Tkalčić, Imaging magma underplating around the Reunion hotspot track with receiver functions, in revision, 2022.

108. Dofal, A., L. Michon, F. Fontaine, G. Barruol, E. Rindraharinsaona, and H. Tkalčić, Imaging the lithospheric structure and plumbing system beneath the Mayotte volcanic zone, submitted, 2022.

107. Tkalčić, H., A. Belonoshko, J. B. Muir, M. Mattesini, and L. Waszek, Convection in the Earth's inner core, in revision, 2022.

106. *Makushkina, A., B. Tauzin, M. Miller, H. Tkalčić, and H. Thybo, The origin of the North Atlantic geometry and the Scandinavian mountains, in revision, 2022.

105. *Sebastian, N., H. Tkalčić, C. Sippl, S. Kim, A. Reading, and Y. Chen, Inference on the crust-mantle transition beneath northeast China from receiver-based passive seicmology methods, in revision, 2022.



PAPERS PUBLISHED (OR IN PRESS) IN PEER REVIEW JOURNALS/BOOKS
104. *Costa de Lima, T., H. Tkalčić, and L. Waszek, A new probe into the innermost inner core anisotropy via the global coda-correlation wavefield, J. Geophys. Res., 127, 4, e2021JB023540, https://doi.org/10.1029/2021JB023540, 2022.
Open Access to the article
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103. *Tkalčić, H., T. Costa de Lima, T-S Phạm, and S. Tanaka, Inner core anisotropy from antipodal PKIKP travel times, accepted for publication, 27/02/22, 2022.

102. Sun, W. and H. Tkalčić, Repetitive marsquakes in Martian upper mantle, Nature Communications, 13, 1695, https://doi.org/10.1038/s41467-022-29329-x, 2022.
Open Access to the article
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101. *Tkalčić, H., S. Wang, and T-S. Phạm, Shear properties of the Earth's inner core, Ann. Rev. Earth Planet. Sci., 50, https://doi.org/10.1146/annurev-earth-071521- 063942, 2022.

100. *Pachhai, S. M. Li, S. Rost, J. Dettmer, and H. Tkalčić, Internal structure of ultralow-velocity zones consistent with origin from a basal magma ocean, Nature Geoscience, 15, 79-84, https://doi.org/10.1038/s41561-021-00871-5, 2022.
Free Access to the article (with a permission from Springer Nature)
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99. Phạm, T-S. and H. Tkalčić, Toward improving point-source moment-tensor inference by incorporating 1D Earth model's uncertainty: Implications for the Long Valley Caldera earthquakes, 126(11), e2021JB022477, https://doi.org/10.1029/2021JB022477, J. Geophys. Res., 2021.

98. *Wang, S. and H. Tkalčić, Shear-wave anisotropy in the Earth's inner core, Geophys. Res. Lett., 48(19), e2021GL094784, https://doi.org/10.1029/2021GL094784, 2021.

97. Ma, X. and H. Tkalčić, CCREM: New reference Earth model from the global coda-correlation wavefield, J. Geophys. Res., 126(9), e2021JB022515, https://doi.org/10.1029/2021JB0225152021.

96. Mousavi, S., H. Tkalčić, R. Hawkins, and M. Sambridge, Lowermost mantle shear-velocity structure from hierarchical trans-dimensional Bayesian tomography, J. Geophys. Res., 126(9), e2020JB021557, https://doi.org/10.1029/2020JB021557, 2021.

95. Phạm, T-S. and H. Tkalčić, Constraining floating ice shelf structures by spectral autocorrelation of teleseismic P-wave coda: Ross Ice Shelf, Antarctica, J. Geophys. Res., 126(4), e2020JB021082, https://doi.org/10.1029/2020JB021082, 2021.

94. *Li, Y., M. Miller, H. Tkalčić, and M. Sambridge, Small-scale heterogeneity in the lowermost mantle beneath Alaska and northern Pacific revealed from shear-wave triplications, Earth Planet. Sci. Lett., 559, https://doi.org/10.1016/j.epsl.2021.116768, 2021.

This presentation won the AGU 2019 Fall Meeting Outstanding Student Paper Award (OSPA) (SEDI Focus Group)

93. Dofal, A., F. Fontaine, L. Michon, G. Barruol, and H. Tkalčić, Nature of the crust beneath islands of the Mozambique Channel: constrains from receiver function analyses, J. Afr. Earth Sci., 184, 104379, https://doi.org/10.1016/j.jafrearsci.2021.104379, 2021.

92. *Stephenson, J., H. Tkalčić, and M. Sambridge, Evidence for the innermost inner core: Robust parameter search for radially varying anisotropy using the Neighbourhood Algorithm, J. Geophys. Res., 126(1), https://doi.org/10.1029/2020JB020545, 2021.

91. *Wang, C., B. Tauzin, S-T. Phạm, and H. Tkalčić, On the efficiency of P-wave coda correlation in recovering crustal structure: examples from dense arrays in the eastern US, J. Geophys. Res., 125, https://doi.org/10.1029/2020JB020270, 2020.

90. *Muir, J.B. and H. Tkalčić, Probabilistic lowermost mantle P-wave tomography from hierarchical Hamiltonian Monte Carlo and model parametrization cross-validation, Geophys. J. Int., 223, 1630-1643, https://doi.org/10.1093/gji/ggaa397, 2020.

89. *Tkalčić, H. and T-S. Phạm, Excitation of the global correlation wavefield by large earthquakes, Geophys. J. Int., 223, 1769-1779, https:/doi.org/10.1093/gji/ggaa369, 2020.

88. *Tkalčić, H., T-S. Phạm, and S. Wang, The Earth's coda correlation wavefield: Rise of the new paradigm and recent advances, Earth-Science Reviews, 208, 103285, httpa://doi.org/10.1016/j.earscirev.2020.103285, 2020.

Open access

87. Donner, S., M. Mustać, B. Hejrani, H. Tkalčić, and H. Igel, Seismic moment tensors from rotational and translational ground motion: Green's functions in 1D vs. 3D, Geophys. J. Int., 223, 161-169, https://doi.org/10.1093/gji/ggaa305, 2020.

86. Hejrani, B. and H. Tkalčić, Resolvability of the centroid-moment-tensors for shallow seismic sources and improvements from modelling high-frequency waveforms, J. Geophys. Res., 125, e2020JB019643, https://doi.org/10/1029/2020JB19642, 2020.

85. *Wang, S. and H. Tkalčić, Seismic Event Coda-Correlation's formation: Implications for Global Seismology, Geophys. J. Int., 222, 1283-1294, https://doi.org/10.1093/gji/ggaa259, 2020.

Open access

84. *Wang, S. and H. Tkalčić, Seismic Event Coda-Correlation: Towards global coda-correlation tomography, J. Geophys. Res., 125, e2019JB018848. https://doi.org/10.1029/2019JB018848, 2020.

Open access

83. Stipčević, M. Herak, I. Molinari, I. Dasović, H. Tkalčić, and A. Gosar, Crustal thickness beneath the Dinarides and surrounding areas from receiver functions, Tectonics, 39, https://doi.org/10.1029/2019TC005872, 2020.

82. *Shang, X. and H. Tkalčić, Point-source inversion of small and moderate earthquakes from P-wave polarities and P/S amplitude ratios within a hierarchical Bayesian framework: Implications for the Geysers earthquakes, J. Geophys. Res., 125, https://doi.org/10.1029/2019JB018492, 2020.

81. *Mustać, M., B. Hejrani, H. Tkalčić, S. Kim, S-J. Lee, and C-S. Cho, Large isotropic component in the source mechanism of the 2013 Democratic People's Republic of Korea revealed via a hierarchical Bayesian inversion, , Bull. Seismol. Soc. Am., 110(1), 166-177, https://doi.org/10.1785/0120190062, 2020.

80. White, L., N. Rawlinson, G. Lister, F. Waldhauser, B. Hejrani, D. Thompson, D. Tanner, C. Macpherson, H. Tkalčić, and J. Morgan, Earth's deepest earthquake swarms track fluid ascent beneath nascent arc volcanoes, Earth Planet. Sci. Lett., 521, 25-36, https://doi.org/10.1016/j.epsl.2019.05.048, 2019.

79. Fontaine, F.R., G. Roult, B. Hejrani, L. Michon, V. Ferrazzini, G. Barruol, H. Tkalčić, A. Di Muro, A. Peltier, D. Reymond, T. Staudacher, and F. Massin, Very- and ultra-long-period seismic signals prior to and during caldera formation on La Reunion Island, Scientific Reports - Nature, 9:8068, https://doi.org/10.1038/s41598-019-44439-1, 2019.

78. *Makushkina, A., B. Tauzin, H. Tkalčić, and H. Thybo, The mantle transition zone in Fennoscandia: Enigmatic high topography without deep mantle thermal anomaly, Geophys. Res. Lett., 46, 3652-3662, https://doi.org/10.1029/2018GL081742, 2019.

77. Thompson, D., N. Rawlinson, and H. Tkalčić, Testing the limits of virtual deep seismic sounding via new crustal thickness estimates of the Australian continent, Geophys. J. Int., 218:2, 787-800, https://doi.org/10.1093/gji/ggz191, 2019.

76. *Pejić, T., R. Hawkins, M. Sambridge, and H. Tkalčić, Transdimensional Bayesian attenuation tomography of the Earth's inner core, J. Geophys. Res., 124,1929-1943, https://doi.org/10.1029/2018JB016400, 2019.

75. Tauzin, B., T-S. Phạm, and H. Tkalčić, Receiver functions from seismic interferometry: a practical guide, Geophys. J. Int., 217:1, 1-24, https://doi.org/10.1093/gji/ggz002, 2019.

74. Hejrani, B. and H. Tkalčić, The centroid location, magnitude and the mechanism of 20 May 2016 Petermann Ranges earthquake, Austral. J. Earth. Sci., 66:1, 37-45, https:doi.org/10.1080/08120099.2018.1525783, 2019.

73. *Tkalčić, H. and T-S. Phạm, Shear properties of the Earth's inner core revealed by a detection of J waves in global correlation wavefield, Science, 362(6412), 329-332, 2018.

Free Access to the article (with a permission from AAAS/Science)
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72. *Phạm, T-S. and H. Tkalčić, Antarctic ice properties revealed from teleseismic P-wave coda autocorrelation, J. Geophys. Res, https://doi.org/10.1029/2018JB016115, 123, 2018.

71. *Phạm, T-S., H. Tkalčić, M. Sambridge, and B.L.N. Kennett, The Earth's correlation wavefield: late coda correlation, Geophys. Res. Lett., 45, https://doi.org/10.1002/2018GL077244, 2018.

70. Lister, G.S., H. Tkalčić, B. Hejrani, A. Koulali, E. Rohling, M.A. Forster, and S. McClusky, Lineaments control and earthquake ruptures on the East Japan megathrust, Lithosphere, 10, 512-522, https://doi.org/10.1130/L687.1, 2018.

69. Mattesini, M., A.B. Belonoshko, and H. Tkalčić, Polymorphic nature of iron and degree of lattice preferred orientation beneath the Earth's inner core boundary, G-Cubed, 19, https://doi.org/10.1002/2017GC007285, 2018.

68. *Mustać, M., H. Tkalčić, and A.L. Burky, Source mechanism of earthquakes in The Geysers geothermal field from a Bayesian standpoint, J. Geophys. Res., 123, 513-532, https://doi.org/10.1002/2017JB014897, 2018.

67. Hejrani, B., H. Tkalčić, and A. Fichtner, Centroid moment tensor catalogue using 3D continental scale Earth model: application to earthquakes in Papua New Guinea and the Solomon Islands, J. Geophys. Res., 122, 5517-5543, doi:10.1002/2017JB014230, 2017.

66. Kim, S., H. Tkalčić, and J. Rhie, Seismic constraints on magma evolution beneath Mount Baekdu (Changbai) volcano from transdimensional Bayesian inversion of ambient noise data, J. Geophys. Res., 122, 5452-5473, doi:10.1002/2017JB014105, 2017.

65. Sippl, C., B.L.N. Kennett, H. Tkalčić, K. Gessner, and C. Spaggiari, Crustal surface-wave velocity structure of the east Albany-Fraser Orogen, Western Australia, from ambient noise recordings, Geophys. J. Int., 210, 1641-1651, doi:10.1093/gji/ggx264, 2017.

64. Sippl, C., L. Brisbout, C. Spaggiari, K. Gessner, H. Tkalčić, B.L.N. Kennett, and R. Murdie, Crustal structure of a Proterozoic craton boundary: east Albany-Fraser Orogen, Western Australia, imaged with passive seismic and gravity anomaly data, Precam. Res., 296, 78-92, doi:10.1016/j.precamres.2017.04.041, 2017.

63. *Phạm T-S. and H. Tkalčić, On the feasibility and use of teleseismic P-wave coda autocorrelation for mapping shallow seismic discontinuities, J. Geophys. Res., 122, doi:10.1002/2017JB013975, 2017.

62. *Pejić, T., H. Tkalčić, M. Sambridge, V.F. Cormier, and R. Benavente, Attenuation tomography of the upper inner core, J. Geophys. Res., 122, 3008-3032,doi:10.1002/2016JB013692, 2017.

61. *Mustać, M. and H. Tkalčić, Data noise as site-specific weight factor in a hierarchical Bayesian moment tensor inversion: A case study of the Geysers and Long Valley Caldera earthquakes, Bull. Seismol. Soc. Am., 107(4), doi:10.1785/0120160379, 2017.

60. Stipčević, J., B.L.N. Kennett, and H. Tkalčić, Simultaneous use of multiple seismic arrays, Geophys. J. Int., 209, 770-783, doi:10.1093/gji/ggx027, 2017.

59. Kim, S, H. Tkalčić, J. Rhie, and Y. Chen, Intraplate volcanism controlled by back-arc and continental structures in northeast Asia inferred from trans-dimensional Bayesian ambient noise tomography, Geophys. Res. Lett., 43, doi:10.1002/2016GL069483, 2016.

58. Kim, S., J. Dettmer, J. Rhie, and H. Tkalčić, Highly efficient Bayesian joint inversion for receiver based data and its application to lithospheric structure beneath the southern Korean Peninsula, Geophys. J. Int., 206, 328-344, doi:10.1093/gji/ggw149, 2016

57. *Mustać, M. and H. Tkalčić, Point source moment tensor inversion through a Bayesian hierarchical model, Geophys. J. Int., 204 (1), 311-323, doi:10.1093/gji/ggv458, 2016.

Open access

This presentation won EGU 2014 General Assembly Outstanding Student Poster (OSP) Award and

AGU 2015 Fall Meeting Outstanding Student Paper Award (OSPA) (Seismology Section)

56. *Pachhai, S., H. Tkalčić, and G. Masters, Estimation of splitting functions from Earth's normal modes using neighbourhood algorithm, Geophys. J. Int., 204 (1), 111-126, doi:10.1093/gji/ggv414, 2016.

55. Sippl, C., B.L.N. Kennett, H. Tkalčić, C.V. Spaggiari, and K. Gessner, New constraints on the current stress field and seismic velocity structure of the eastern Yilgarn craton from mechanisms of local earthquakes, Austral. J. Earth Sci., 62(8), 921-931, doi:10.1080/08120099.2015.1130173, 2016.

54. Tkalčić, H., M.K. Young, J.B. Muir, R. Davies, and M. Mattesini, Strong, multi-scale heterogeneity in Earth's lowermost mantle, Scientific Reports - Nature, 5, doi:10.1038/srep18416, 2015.

Open access

53. Tanaka, S. and H. Tkalčić, Complex inner core boundary from frequency characteristics of the reflection coefficients of PKiKP waves observed by Hi-net, Progress Earth Planet. Sci., doi:10.1186/s40645-015-0064-3, 2015.

Open access

52. *Pachhai, S., J. Dettmer, and H. Tkalčić, Ultra-low velocity zones beneath the Philippine and Tasman Seas revealed by a trans-dimensional Bayesian waveform inversion, Geophys. J. Int., 203(2), 1302-1318, doi:10.1093/gji/ggv368, 2015.

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51. **Muir, J.B. and H. Tkalčić, A method of spherical harmonic analysis in the geosciences via Bayesian hierarchical inference, Geophys. J. Int. 203(2), 1164-1171, doi:10.1093/gji/ggv361, 2015.

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50. Tkalčić, H., Complex inner core of the Earth: The last frontier of global seismology, Reviews of Geophysics, 53/1, 59-94, doi:10.1002/2014RG000469, 2015.

Open access

49. Gal, M., A.M. Reading, S.P. Ellingsen, L. Gualtieri, K.D. Koper, R. Burlacu, H. Tkalčić, and M.A. Hemer, The frequency dependence and locations of short-period microseisms generated in the Southern Ocean and West Pacific, J. Geophys. Res., 120, doi:10.1002/2015JB012210, 2015.

48. Fontaine, F.R., Barruol, G., H. Tkalčić, Wölbern, I., Rumpker, G., Bodin, T., and Haugmard, M., Crustal and Uppermost Mantle structure variation beneath La Reunion hotspot track, Geophys. J. Int., 203, 107-126, 2015.

47. *Pachhai, S., H. Tkalčić, and J. Dettmer, Bayesian inference for ultra low velocity zones in the Earth's lowermost mantle: Multiple-layer ULVZ confirmed beneath the east of Philippines, J. Geophys. Res., 119, 8346-8365, doi:10.10002/2014JB011067, 2014.

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46. *Yee, T.-G., J. Rhie, and H. Tkalčić, Regionally heterogeneous uppermost inner core observed with Hi-net array, J.Geophys. Res., 119, 7823-7845, doi:10.10002/2014JB011341, 2014.

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45. Reading, A.M., K.D. Koper, M. Gal, L.S. Graham, H. Tkalčić, and M.A. Hemer, Dominant seismic noise sources in the Souther Ocean and West Pacific, 2000-2012, recorded at the Warramunga Array (WRA), Australia, Geophys. Res. Lett., doi:10.10002/2014GL060073, 2014.

44. Lister, G.S., H. Tkalčić, M.A. Forster, and S. McClusky, Skewed orientation groups in scatter plots of earthquake fault plane solutions: Implications for extensional geometry at oceanic spreading centers, J. Geophys. Res., 119, doi:10.1002/2013JB010706, 2014.

43. Mattesini, M., A.B. Belonoshko, H. Tkalčić, E. Buforn, A. Udias, and R. Ahuja, Candy wrapper for the Earth's inner core, Scientific Reports - Nature, 3:2096, doi:10.1038/srep02096, 2014.

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42. Tkalčić, H., T. Bodin, M.K. Young, and M. Sambridge, On the nature of the P-wave velocity gradient in the inner core beneath Central America, J. Earth Sci., Special Column on East-West Asymmetry of the Inner Core and Earth Rotational Dynamics, 24, 5, 699-705, doi:10.1007/s12583-013-0365-7, 2013.

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41. *Young, M.K., H. Tkalčić, T. Bodin, and M. Sambridge, Global P-wave tomography of Earth's lowermost mantle from partition modeling, J. Geophys. Res., doi: 10.1002/jgrb.50391, 2013.

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40. Tkalčić, H., M.K. Young, T. Bodin, S. Ngo, and M. Sambridge, The shuffling rotation of the Earth's inner core, Nature Geoscience, doi:10.1038/NGEO1813, 2013.

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39. *Kiseeva, E.S., G.M. Yaxley, A.S. Stepanov, H. Tkalčić, K.D. Litasov, and V.S. Kamenetsky, Metapyroxenite in the mantle transition zone revealed from majorite inclusions in diamonds, Geology, doi:10.1130/G34311.1, 2013.

38. Fontaine, F.R., H. Tkalčić, and B.L.N. Kennett, Crustal complexity in the Lachlan fold belt revealed from teleseismic receiver functions, Australian Journal of Earth Sciences, 60, 413-430, 2013.

37. Fontaine, F.R., H. Tkalčić, and B.L.N. Kennett, Imaging crustal structure variation across southeastern Australia, Tectonophysics, 582, 112-125, 2013.

36. Sambridge, M., T. Bodin, K. Gallagher, and H. Tkalčić, Transdimensional inference in the geosciences, Phyl. Trans. R. Soc. A, doi:10.1098/rsta.2011.0547, 371, 1-17, 2013.

35. Tkalčić, H., N. Rawlinson, P. Arroucau, A. Kumar, and B.L.N. Kennett, Multi-Step modeling of receiver-based seismic and ambient noise data from WOMBAT array: Crustal structure beneath southeast Australia, Geophys. J. Int., doi: 10.1111/j.1365-246X.2012.05442.x, 189, 1681-1700, 2012.

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34. Reading, A.M., H. Tkalčić, B.L.N. Kennett, S.P. Johnson, and S. Sheppard, Seismic structure of the crust and uppermost mantle of the Capricorn and Paterson Orogens and adjacent cratons, Western Australia, from passive seismic transects, Precambrian Research, 196-197, doi:10.1016/j.precamres.2011.07.001, 295-308, 2012.

33. *Young, M., H. Tkalčić, N. Rawlinson, and A. M. Reading, Full waveform moment tensor inversion in a low seismicity region using multiple teleseismic datasets and ambient noise: application to the 2007 Shark Bay, Western Australia, earthquake, Geophys. J. Int., doi: 10.1111/j.1365-246X.2011.05326.x, 2012.

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32. *Bodin, T., M. Sambridge, H. Tkalčić, P. Arroucau, K. Gallagher, and N. Rawlinson, Transdimensional inversion of receiver functions and surface wave dispersion, J. Geophys. Res.,117, B02301, doi:1029/2011JB008560, 2012.

This presentation won AGU 2010 Outstanding Student Paper Award - Seismology Section

31. Sambridge, M., H. Tkalčić, and P. Arroucau, Benford's Law of First Digits: From Mathematical Curiosity to Change Detector, Asia Pacific Mathematics Newsletter, 1, No. 4, 1-5, 2011.

30. Kennett, B.L.N., M. Salmon, E. Saygin, N. Rawlinson, S. Pozgay, H. Tkalčić, E. Vanacore, C. Collins, B. Goleby, A. Goncharov, J. Maher, A.M. Reading, A. Aitken, S. Revets, T. Shibutani, G. Clitheroe, P. Arroucau, and F.R. Fontaine, AusMoho: the variation of Moho depth in Australia, Geophys. J. Int., doi: 10.1111/j.1365-246X.2011.05194.x, 2011.

29. Tkalčić, H., Y. Chen, R. Liu, Z. Huang, L. Sun, and W. Chan, Multi-Step modelling of teleseismic receiver functions combined with constraints from seismic tomography: Crustal structure beneath southeast China, Geophys. J. Int., 187, doi: 10.1111/j.1365-246X.2011.05132.x, 303-326, 2011.

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28. *Stipčević, J., H. Tkalčić, M. Herak, S. Markušić, and D. Herak, Crustal and uppermost mantle structure beneath the External Dinarides, Croatia, determined from teleseismic receiver functions, Geophys. J. Int., doi: 10.1111/j.1365-246X.2011.05004.x, 2011.

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This paper won Best Student Author Award in Geophysical Journal International for 2011. Featured here

27. *Young, M., N. Rawlinson, P. Arroucau, A. M. Reading, and H. Tkalčić, High frequency ambient noise tomography of southeast Australia: New constraints on Tasmania's tectonic past, Geophys. Res. Lett., 38, L13313, doi:10.1029/2011GL047971, 2011.

26. **Hingee, M., H. Tkalčić, A. Fichtner, and M. Sambridge, Moment tensor inversion using a 3-D structural model: Applications for the Australian region, Geophys. J. Int., 184(2), doi: 10.1111/j.1365-246X.2010.04897.x, 949-964, 2011.

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25. Sambridge, M., H. Tkalčić, and A. Jackson, Benford's law in the natural sciences, Geophys. Res. Lett., 37, L14312, doi:10.1029/2010GL044830, 2010.

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24. Fichtner, A., and H. Tkalčić, Insights into the kinematics of a volcanic caldera drop: Probabilistic finite-source inversion of the 1996 Bardarbunga, Iceland, earthquake, Earth Planet. Sci. Lett., 297, 607-615, 2010.

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23. Tkalčić, H., Large variations in travel times of mantle-sensitive seismic waves from the South Sandwich Islands: Is the Earth's inner core a conglomerate of anisotropic domains?, Geophys. Res. Lett., 37, L14312, doi:10.1029/2010GL043841, 2010.

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22. Rawlinson, N., H. Tkalčić, and A.M. Reading, Structure of the Tasmanian lithosphere from 3-D seismic tomography, Australian Journal of Earth Sciences, 57, 381-394, 2010.

21. Tkalčić, H., V.F. Cormier, B.L.N. Kennett, and K. He, Steep reflections from the Earth's core reveal small-scale heterogeneity in the upper mantle, Physics Earth Planet. Int., 178, 80-91, doi:10.1016/j.pepi.2009.08.004, 2010.

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20. **Leykam, D., H. Tkalčić, and A.M. Reading, Core structure reexamined using new teleseismic data recorded in Antarctica: Evidence for, at most, weak cylindrical seismic anisotropy in the inner core, Geophys. J. Int., 180(3), doi:10.1111/j.1365-246X.2010.04488.x, 1329-1343, 2010.

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19. Chen, Y., F. Niu, R. Liu, Z. Huang, H. Tkalčić, L. Sun, and W. Chan, Crustal structure beneath China from receiver function analysis, J. Geophys. Res., 115, B033067, doi:10.1029/2009JB006386, 2010.

18. Tkalčić, H., D. S. Dreger, G. R. Foulger, and B. R. Julian, The puzzle of the Bardarbunga, Iceland earthquake: No volumetric component in the source mechanism, Bull. Seismol. Soc. Am., 99: 3077-3085, 2009.

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17. Tkalčić, H., B.L.N. Kennett, and V.F. Cormier, On the inner-outer core density contrast from PKiKP/PcP amplitude ratios and uncertainties caused by seismic noise, Geophys. J. Int., doi:10.1111/j.1365-246X.2009.04294.x, 2009.

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16. Tkalčić, H., A. Rodgers, N. Rawlinson, D. McEwan, and C. Snelson, Teleseismic site response and travel time delays in the Las Vegas Basin, Bull. Seismol. Soc. Am., v. 98/4, 2047-2060, doi: 10.1785/0120050239, 2008.

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15. Tkalčić, H. and B.L.N. Kennett, Core structure and heterogeneity: seismological perspective, Australian Journal of Earth Sciences, doi: 10.1080/08120090801888578, 55:4, 419-431, 2008.

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14. Kennett, B.L.N. and H. Tkalčić, The dynamic Earth: crustal and mantle heterogeneity, Australian Journal of Earth Sciences, doi: 10.1080/08120090701883042, 55:3, 265-279, 2008.

13. Pasyanos, M., H. Tkalčić, R. Gok, A. Al-Enezi, and A. Rodgers, Seismic structure of Kuwait, Geophys. J. Int. 170(3), 299-312, 2007.

12. Tkalčić, H., M. Flanagan, and V. Cormier, Observations of near-podal P'P' precursors: Evidence for back scattering from the 150-220 km zone in Earth's upper mantle, Geophys. Res. Lett. 33, L03305, doi:10.1029/2005GL024626, 2006.

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This article was featured under "Editor's Choice" in Science 301, 1214-1215, 2006.

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11. Garcia, R., H. Tkalčić, and S. Chevrot, A new global PKP data set to study Earth's core and deep mantle, Phys. Earth Planet. Int. 159, 15-31, 2006.

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10. Tkalčić, H., M. Pasyanos, A. Rodgers, R. Gok, W. Walter, and A. Al-Amri, A multi-step approach in joint modeling of surface wave dispersion and teleseismic receiver functions: Implications for lithospheric structure of the Arabian peninsula, J. Geophys. Res. 111, B11311, doi:10.1029/2005JB004130, 2006.

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9. Rodgers, A., H. Tkalčić, and D. McAllen, Seismic ground motion and site response in Las Vegas Valley, Nevada from NTS Explosions and earthquake data, Pageoph. 163, 55-80, 2006.

8. Romanowicz B., H. Tkalčić, and L. Breger, On the origin of complexity in PKP travel time data from broadband records, AGU volume on inner core and lower mantle, AGU Geodynamics Series, V. Dehant, K. Creager, S. Karato, S. Zatman, Editors, 2003.


7. Tkalčić H. and B. Romanowicz, Short scale heterogeneity in the lowermost mantle: insights from PcP-P and ScS-S data, Earth Planet. Sci. Lett. 201(1), 57-68, 2002.

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6. Tkalčić H., B. Romanowicz, and N. Houy, Constraints on D'' structure using PKP(AB-DF), PKP(BC-DF) and PcP-P travel time data from broadband records, Geophys. J. Int. 149(3), 599-616, 2002.

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This presentation won AGU 2001 Outstanding Student Paper Award - Tectonophysics Section

5. Tkalčić, H., Study of deep Earth structure using body waves, Ph.D. dissertation, University of California at Berkeley, 2001.

4. Panning, M., D. Dreger, and H. Tkalčić, Numerical analysis of real-source velocity heterogeneity on the recovery of isotropic seismic moment tensors, Geophys. Res. Lett. 28, 1815-1818, 2001.

3. Breger, L., H. Tkalčić, and B. Romanowicz, The effect of D'' on PKP(AB-DF) travel time residuals and possible implications for inner core structure, Earth Planet. Sci. Lett. 175, 133-143, 2000.

2. Dreger, D., H. Tkalčić, and M. Johnston, Dilatational processes accompanying earthquakes in the Long Valley Caldera, Science 288, 122-125, 2000.

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1. Breger, L., B. Romanowicz, and H. Tkalčić, PKP(BC-DF) travel time residuals and short scale heterogeneity in the deep Earth, Geophys. Res. Lett. 20, 169-172, 1999.


Professional Reports

Tkalčić, H. and S. Kim, Improved Earth structure in northeast Asia and seismic moment tensor inversion from Bayesian partition modelling, Air Force Resarch Laboratory report, 90 pp., 2017.

Rodgers, A., H. Tkalčić and D. McCallen, The Las Vegas Valley seismic response project: Ground motions in Las Vegas Valley from nuclear explosions at the Nevada Test Site, LLNL internal report, 83 pp., 2005.

A. Rodgers, H. Tkalčić and D. McCallen, Understanding ground motion in Las Vegas: Insights from data analysis and two-dimensional modeling, LLNL internal report, 30 pp., 2004.

Pasyanos, M., W. Walter, H. Tkalčić, G. Franz and M. Flanagan, Geophysical model research and results. Report for Seismic Research Review, 11 pp., 2004.

Tkalčić, H. and G. Laske, An evaluation of the SAIC regionalized model (Part II: Comparison of observed with predicted surface wave dispersion), Report for SAIC, 96 pp., 2003.

Laske, G. and H. Tkalčić, An evaluation of the SAIC regionalized model (Part I: Sediment and crustal thicknesses), Report for SAIC, 37 pp., 2002.

Selected Presentations from Conferences

2012

Tkalčić, H., M.K. Young, T. Bodin and M. Sambridge, Seismological observation of shuffling rotational dynamics of the Earth's inner core, INVITED, East-west assymetry of inner core and rotational dynamics conference, Institute of Geodesy and Geophysics, Wuhan, China, 2012.

Tkalčić, H., T. Bodin, M. Sambridge, K. Gallagher and P. Arroucau, A new paradigm for seismic imaging: transdimensional inversion of receiver functions and surface wave dispersion with hierarchical Bayes algorithm, Seismological Society of America Meeting, San Diego, 2012.

Tkalčić, H., M.K. Young, T. Bodin, S. Ngo and M. Sambridge, Observation of shuffling rotation of the Earth's inner core and its time correlation with geomagnetic jerks, European Geosciences Union, EGU2012-3923, Vienna, 2012.

Young, M.K., H. Tkalčić and T. Bodin, Short-scale heterogeneity in the lowermost mantle revealed through partition modelling of seismic body waves, European Geosciences Union, EGU2012-6500, Vienna, 2012.

AMERICAN GEOPHYSICAL UNION 2011

Tkalčić, H., M.K. Young, T. Bodin, S. Ngo and M. Sambridge, When the Earth's Inner Core Shuffles, Eos Trans. AGU, 92(52), Fall Meet. Suppl., Abstract DI41B-08, San Francisco, 2011.

Sambridge, M.,T. Bodin, H. Tkalčić and K.Gallagher, Ensemble approaches to structural seismology: seek many rather than one, Eos Trans. AGU, 92(52), Fall Meet. Suppl., Abstract S21B-2187, San Francisco, 2011.

Young, M.K., H. Tkalčić, T. Bodin, S. Tanaka and N. Rawlinson, New P-wave Images of the Core-mantle Boundary Region From a Bayesian Inversion of PKP, PcP, and P4KP Differential Travel Times, Eos Trans. AGU, 92(52), Fall Meet. Suppl., Abstract DI43A-2081, San Francisco, 2011.

Bartlett, C., H. Tkalčić and M.K. Young, On the Heterogeneity of the Lowermost Mantle From PcP-P and ScS-S Differential Travel Times, Eos Trans. AGU, 92(52), Fall Meet. Suppl., Abstract DI43A-2083, San Francisco, 2011.

Mattesini, M., A.B. Belonoshko, H. Tkalčić, E. Buforn and R. Ahuja, Anisotropic Earths Inner Core Within a Dynamic Core Scenario, Eos Trans. AGU, 92(52), Fall Meet. Suppl., Abstract DI51B-2135, San Francisco, 2011.

INTERNATIONAL UNION FOR GEODESY AND GEOPHYSICS 2011

Tkalčić, H., The Inner Core of the Earth From a Seismological Perspective, INVITED, IUGG General Assembly, Melbourne, 2011.

Sambridge, M., Tkalčić, H. and A. Jackson, Benfords Law in Natural Sciences, INVITED, IUGG General Assembly, Melbourne, 2011.

Young, M., Tkalčić, H., S. Ngo, On the Differential Rotation of the Earth's Inner Core From Testing the Nature of Differences in Repetitive Seismic Waveforms, IUGG General Assembly, Melbourne, 2011.

EUROPEAN GEOSCIENCES UNION 2011

Tkalčić, H., T. Bodin, M. Sambridge, K. Gallagher and P. Arroucau, A new paradigm for seismic imaging of the Earth's crust and upper mantle: Transdimensional inversion of receiver functions and surface wave dispersion with Hierarchical Bayes algorithm, EGU2011-5234, Vienna, 2011.

Rawlinson, N., H. Tkalčić, S. Pozgay and E. Vanacore, Seismic imaging results from a transportable array experiment in southeast Australia, EGU2011-2785, Vienna, 2011.

Fichtner, A. and H. Tkalčić, Insights into the kinematics of a volcanic caldera drop: probabilistic finite-source inversion of the 1996 Bardarbunga, Iceland, earthquake, EGU2011-11504, Vienna, 2011.

AMERICAN GEOPHYSICAL UNION 2010

Tkalčić, H., Earth's Inner Core as a Conglomerate of Anisotropic Domains, Eos Trans. AGU, 91(52), Fall Meet. Suppl., Abstract DI21C-09, San Francisco, 2010.

Ngo, S. and H. Tkalčić, On the Differential Rotation of the Earth's Inner Core From Testing the Nature of Differences in Repetitive Seismic Waveforms, Eos Trans. AGU, 91(52), Fall Meet. Suppl., Abstract DI41A-1915, San Francisco, 2010.

Young, M.K., H. Tkalčić, N. Rawlinson, P. Arroucau and A.M. Reading, Synthesis of Local, Teleseismic, and Ambient Noise Data for High-Resolution Models of Seismic Structure in Western and Southeast Australia, Eos Trans. AGU, 91(52), Fall Meet. Suppl., Abstract S33A-2056, San Francisco, 2010.

Rawlinson, N., H. Tkalčić, S. Pozgay amd P. Arroucau, Structure of the southeast Australian lithosphere from a transportable seismic array experiment, Eos Trans. AGU, 91(52), Fall Meet. Suppl., Abstract S51C-01, San Francisco, 2010.

Chen, Y., H. Tkalčić, Liu, R., Zhibin, H., Sun, L. and Chan, W., Multi-Step Modeling of Receiver Functions Combined With Constraints From Seismic Tomography: Crustal Structure Beneath Southeastern China, Eos Trans. AGU, 91(52), Fall Meet. Suppl., Abstract T11C-2103, San Francisco, 2010.

Bodin, T., M. Sambridge, H. Tkalčić, K. Gallagher and P. Arroucau, A Hierarchical Bayes Formulation of Inverse Problems. Application to Joint Inversion of Receiver Function and Surface wave Dispersion, Eos Trans. AGU, 91(52), Fall Meet. Suppl., Abstract S43C-04, San Francisco, 2010. (won Outstanding Student Paper Award - AGU Seismology Section)

Vanacore, E.A., N. Rawlinson, M. Sambridge and H. Tkalčić, Simultaneous Absolute and Relative Traveltime Inversion Technique to Combine Independent Arrays in southeastern Australia, , Eos Trans. AGU, 91(52), Fall Meet. Suppl., Abstract S31A-2025, San Francisco, 2010.

H. Tkalčić, Is the Earth's Inner Core a Conglomerate of Anisotropic Domains, Western Pacific Geophysics Meeting (AGU), Taipei, Taiwan, June 2010.

H. Tkalčić, Y. Chen, W. Chan, R. Liu, H. Zhibin, Multi-step Modeling of Receiver Functions Combined With Constraints From Seismic Tomography: Crustal Structure Beneath Southeastern China, Western Pacific Geophysics Meeting (AGU), Taipei, Taiwan, June 2010.

H. Tkalčić, The Earth's Core: Seismological Perspective, INVITED LECTURE, From Core to Crust: Towards an Integrated Vision of Earth's Interior, International Centre for Theoretical Physics, Trieste, Italy, July 2009.

H. Tkalčić, V.F. Cormier and B. Kennett, Inner core boundary properties from PcP and PKiKP waves, INVITED, IASPEI General Assembly, Capetown, South Africa, January 2009.

AMERICAN GEOPHYSICAL UNION 2009

H. Tkalčić, D. Dreger, G. Foulger, B. Julian and A. Fichtner, A Seismological Portrait of the Anomalous 1996 Bardarbunga Volcano, Iceland, Earthquake, INVITED, Eos Trans. AGU, 90(52), Fall Meet. Suppl., Abstract S21B-1710, San Francisco, 2009.

H. Tkalčić, Earthquakes and Stations of the Southern Hemisphere: Keys to the Inner Core Anisotropy Puzzle?, Eos Trans. AGU, 90(52), Fall Meet. Suppl., Abstract DI42A-03, San Francisco, 2009.

D. Leykam, H. Tkalčić and A. M. Reading, Core Structure Reexamined Using new Teleseismic Data Recorded in Antarctica: Evidence for, at Most, Weak Cylindrical Seismic Anisotropy in the Inner Core, Eos Trans. AGU, 90(52), Fall Meet. Suppl., Abstract DI33A-1611, San Francisco, 2009.

E. Saygin, H. Tkalčić and S. Fishwick, Joint Inversion of Receiver Functions and Surface Waves from Ambient Noise and Earthquake Data: Australian Crust, Eos Trans. AGU, 90(52), Fall Meet. Suppl., Abstract DI13B-1754, San Francisco, 2009.

A. Kumar, H. Tkalčić, P. Arroucau, N. Rawlinson, M. Sambridge and B. L. Kennett, Constraints on Southeast Australian Lithosphere From Multi- Step Modeling of Teleseismic and Noise Data Recorded by the SEAL3, Experiment, Eos Trans. AGU, 90(52), Fall Meet. Suppl., Abstract DI13B-1755, San Francisco, 2009.

M. Sambridge, H. Tkalčić and A. Jackson, On the applicability of Benford's Law in the Geosciences, Eos Trans. AGU, 90(52), Fall Meet. Suppl., Abstract DI33A-1756, San Francisco, 2009.

N. Rawlinson, H. Tkalčić and P. Arroucau, Seismic Imaging Results From a Decade of Rolling Array Deployments in Southeast Australia, Eos Trans. AGU, 90(52), Fall Meet. Suppl., Abstract DI43D-01, San Francisco, 2009.

S. Pozgay, N. Rawlinson and H. Tkalčić, High Resolution Imaging of the Core-Mantle Boundary with PcP-P Seismic Traveltime Data, Eos Trans. AGU, 90(52), Fall Meet. Suppl., Abstract DI23A-1657, San Francisco, 2009.

M. Hingee, H. Tkalčić, A. Fichtner, M. Sambridge, B. L. Kennett and A. Gorbatov, Towards Automated Seismic Moment Tensor Inversion in Australia Using 3D Structural Model, Eos Trans. AGU, 90(52), Fall Meet. Suppl., Abstract DI51B-1419, San Francisco, 2009.

M. Herak, H. Tkalčić, J. Stipčević, S. Markusić and D. Herak, Structure of the Lithosphere Beneath Croatia Determined from Broadband Radial Receiver Functions, Eos Trans. AGU, 90(52), Fall Meet. Suppl., Abstract DI51B-1520, San Francisco, 2009.

D. Herak, H. Tkalčić and M. Herak, 100 Years of Studies of the Crust and Upper Mantle in Croatia, Eos Trans. AGU, 90(52), Fall Meet. Suppl., Abstract DI51B-1521, San Francisco, 2009.

S. Petkovski, H. Tkalčić and L. Pekevski, Structure of the Lithosphere Beneath Macedonia From Teleseismic Receiver Functions, Eos Trans. AGU, 90(52), Fall Meet. Suppl., Abstract DI51B-1522, San Francisco, 2009.

EUROPEAN GEOSCIENCES UNION 2009

D. Leykam, H. Tkalčić and A. M. Reading, Core structure reexamined using new teleseismic data recorded in Antarctica: Evidence for, at most, weak cylindrical seismic anisotropy in the inner core, EGU2009-3815, Vienna, 2009.

H. Tkalčić, V. F. Cormier and B. L. N. Kennett, Effect of upper mantle inhomogeneities on the amplitudes of body waves: consequences for the interpretation of deep earth structure, EGU2009-9460, Vienna, 2009.

AMERICAN GEOPHYSICAL UNION 2008

H. Tkalčić, V.F. Cormier and B. Kennett, Inner core boundary properties from amplitudes and anti-correlation in observations of body waves reflected at the boundaries of the core, Eos Trans. AGU, 89(52), Fall Meet. Suppl., Abstract DI53B-05, San Francisco, 2008.

F.R. Fontaine, H. Tkalčić and B. Kennett, Imaging crustal structure beneath southern Australia: SoC preliminary results, Eos Trans. AGU, 89(52), Fall Meet. Suppl., Abstract T13B-1959, San Francisco, 2008.

J. Stipčević, H. Tkalčić, S. Markusić, M. Herak and D. Herak, Lithospheric structure beneath coastal and continental Croatia determined from broadband teleseismic waveform modeling, Eos Trans. AGU, 89(52), Fall Meet. Suppl., Abstract T23B-2033, San Francisco, 2008.

S. Pozgay and H. Tkalčić, Detection of multiply reflected core phases at broadband and short period arrays in Australia, Eos Trans. AGU, 89(52), Fall Meet. Suppl., Abstract DI43A-1770, San Francisco, 2008.

Y, Chen, F. Niu, R. Liu, H. Tkalčić, Z. Huang, W. Chan and L. Sun, The crustal and upper mantle structure of China from teleseismic receiver functions, Eos Trans. AGU, 89(52), Fall Meet. Suppl., Abstract T13B-1948, San Francisco, 2008.

M. Sibol et al., Crustal structure of the northern Zagros from seismic observations, Eos Trans. AGU, 89(52), Fall Meet. Suppl., Abstract T21A-1932, San Francisco, 2008.

N. Rawlinson, H. Tkalčić and B. Kennett, New results from WOMBAT: an ongoing program of passive seismic array deployments in Australia, Eos Trans. AGU, 89(52), Fall Meet. Suppl., Abstract S22A-03, San Francisco, 2008.

A. Al-Amri, A. Rodgers, S. Hansen, A. Nyblade, Y. Park and H. Tkalčić, Structure of the lithosphere and upper mantle across the Arabian Peninsula, Eos Trans. AGU, 89(52), Fall Meet. Suppl., Abstract T23D-03, San Francisco, 2008.

H. Tkalčić and B. Kennett, New estimate of the inner-outer core densiry ratio from previously unobserved steep-incidence inner core reflections,, Eos Trans. AGU, 88(52), Fall Meet. Suppl., Abstract D131A-0259, San Francisco, 2007.

Rawlinson, N., B. L. N. Kennett and H. Tkalčić, Detailed seismic imaging og the Australian lithosphere using a dense array of seismometers,Eos Trans. AGU, 88(52), Fall Meet. Suppl., Abstract S11B-0566, San Francisco, 2007.

PRESENTATIONS UP TO 2007

Chen, Y, H. Tkalčić, R. Liu, Z. Huang, W. Chen and L. Sun, Comprehensive receiver function analyses for southeastern China, Eos Trans. AGU, 87(52), Fall Meet. Suppl., Abstract S43B-1392, San Francisco, 2006.

Garcia, R., S. Chevrot and H. Tkalčić, New constraints on inner core structure from differential waveform analysis of PKP core phases at global scale, SEDI Meeting, Prague, 2006.

Tkalčić, H., M. Pasyanos, A. Rodgers, R. Gök, W. Walter, A. Al-Amri and A. Al-Enezi, Lithospheric structure of the Arabian peninsula from joint inversion of teleseismic receiver functions and surface waves, Eos Trans. AGU, 86(52), Fall Meet. Suppl., Abstract T13A-0449, San Francisco, 2005.

Dreger, D., H. Tkalčić, G. Foulger and B. Julian, Kinematic Modeling and Complete Moment Tensor Analysis of the Anomalous, Vertical CLVD Bardarbunga, Iceland, Event, Eos Trans. AGU, 86(52), Fall Meet. Suppl., Abstract S33C-08, San Francisco, 2005.

Flanagan, M., H. Tkalčić and V. Cormier, Evidence for Back Scattering of Near-Podal Seismic P'P' Waves From the 150-220 km Zone in Earth's Upper Mantle, Eos Trans. AGU, 86(52), Fall Meet. Suppl., Abstract T41C-1325, San Francisco, 2005.

Garcia, R., H. Tkalčić and S. Chevrot, A new global PKP data set to study the Earths deep interior, Eos Trans. AGU, 86(52), Fall Meet. Suppl., Abstract S33D-07, San Francisco, 2005.

Tkalčić, H., D. Dreger, G. Foulger and B. Julian, Kinematic modeling and complete moment tensor analysis of the anomalous, vertical CLVD Bardarbunga, Iceland, event, IASPEI General Assembly, Santiago de Chile, Chile, October, 2005.

Garcia, R., H. Tkalčić and S. Chevrot, Non-linear analysis of differential travel times of PKP phases and D'' structure, IASPEI General Assembly, Santiago de Chile, Chile, October, 2005.

Tkalčić, H., M. Flanagan and V. Cormier, Discovery of strong upper mantle reflectors from back-scattering of near-podal PKPPKP waves using data acquired from IRIS, IRIS annual meeting, Stevenson, WA, June, 2005.

Tkalčić, H., M. Pasyanos, A. Rodgers, R. Gok, W. R. Walter, M. Flanagan, A. Al-Amri, A. Al-Enezi, Lithospheric Structure of the Arabian peninsula from joint inversion of teleseismic receiver functions and surface waves, IRIS annual meeting, Stevenson, WA, June, 2005.

Tkalčić, H. and M. Flanagan, Structure of the deep inner core from antipodal PKPPKP waves, Eos Trans. AGU, 85(47), Fall Meet. Suppl., Abstract T54A-06, San Francisco, 2004.

Rodgers, A., D. McAllen, H. Tkalčić et al., Seismic Wave Amplification in Las Vegas: Site Response and Empirical Estimates of Ground Motion, Eos Trans. AGU, 85(47), Fall Meet. Suppl., Abstract S41C-05 INVITED, San Francisco, 2004.

McEwan, D.J., C.M. Snelson, H. Tkalčić and A. Rodgers, Shear Velocity Structure Beneath the Las Vegas Valley, Nevada From Regional and Teleseismic Events, Eos Trans. AGU, 85(47), Fall Meet. Suppl., Abstract S43A-0978, San Francisco, 2004.

Tkalčić, H. and A. Rodgers, Site response and basin amplifications in Las Vegas, SSA Meeting in Palm Springs, 2004.

Tkalčić, H., A. Rodgers, C. Snelson and D. McEwan, Comprehensive analysis of broadband seismic data in Las Vegas Valley, Eos Trans. AGU, 84(46), Fall Meet. Suppl., Abstract S11D-0322, San Francisco, 2003.

Rodgers, A., A.R. Fowler and H. Tkalčić, Earthquakes and seismic structure of the United Arab Emirates, Eos Trans. AGU, 84(46), Fall Meet. Suppl., Abstract S21C-06, San Francisco, 2003.

Garcia, R., H. Tkalčić and S. Chevrot, Non-linear analysis of differential travel times of PKP phases and D'' structure, Eos Trans. AGU, 84(46), Fall Meet. Suppl., Abstract U51B-0001, San Francisco, 2003.

McEwan, D.J., C.M. Snelson, H. Tkalčić and A. Rodgers, Initial Results From the Las Vegas Valley Broadband Array Based on Differential Travel Time Residuals and Interstation Phase Velocities, Eos Trans. AGU, 84(46), Fall Meet. Suppl., Abstract S11D-0323, San Francisco, 2003.

Tkalčić, H. and A. Rodgers, Analysis of broadband teleseismic data in Las Vegas Valley, IRIS meeting, Tenaya Lodge, Yosemite, CA, 2003.

Tkalčić, H. and G. Laske, An evaluation of regionalized models for Eurasia, Eos Trans. AGU, 83(47), Fall Meet. Suppl., Abstract S61A-1109, San Francisco, 2002.

Antolik, M., H. Tkalčić, G. Ekström and A. Dziewonski, Mantle phases, core phases and Earth structure in the D'' region, Eos Trans. AGU, 83(47), Fall Meet. Suppl., Abstract S22A-1010, San Francisco, 2002.

Dreger, D., H. Tkalčić, Foulger, G. and Julian, B., Investigation for Anomalous Focal Mechanisms: Bárdarbunga Volcano, Iceland Events, Eos Trans. AGU, 83(47), Fall Meet. Suppl., Abstract S71C-1108, San Francisco, 2002.

Tkalčić, H. and B. Romanowicz, Short scale heterogeneity in the lowermost mantle: Insights from PcP-P and ScS-S data, IRIS meeting, Waikoloa Beach, Hawai'i 2002.

Tkalčić, H., D. Dreger, Z. Du, G. Foulger and B. Julian, Complete moment tensor study for anomalous Bardarbunga volcano, Iceland event, IRIS meeting, Waikoloa Beach, Hawai'i 2002.

Tkalčić, H. and B. Romanowicz, Lateral heterogeneity in D'': Constraints from PKP and PcP travel time data, Eos Trans. AGU, 82(47), Fall Meet. Suppl., Abstract T21A-0853, San Francisco, 2001. (won Outstanding Student Paper Award - AGU Tectonophysics Section)

Tkalčić, H. and B. Romanowicz, Constraints on D" structure using PKP(AB-DF), PKP(BC-DF) and PcP-P differential travel time data from broadband records, IAGA/IASPEI Joint Scientific Assembly, Ha Noi, Viet Nam, 2001.

Romanowicz, B. and H. Tkalčić, On the origin of complexity in PKP travel time data, IAGA/IASPEI Joint Scientific Assembly, Ha Noi, Viet Nam, 2001.

Tkalčić, H., B. Romanowicz and N. Houy, Constraints on global 3D mantle structure from hand picked PcP-P and PKP(AB-DF) travel time data, AGU Fall Meeting, San Francisco, 2000.

Tkalčić, H., B. Romanowicz, N. Houy and L. Br?ger, Modeling of D" by using high quality PKP(AB-DF) data sets, IRIS meeting, Rockport, Maine 2000.

Romanowicz, B., H. Tkalčić and N. Houy, Constraints on some aspects of mantle and core structure from free oscillation and travel time data, SEDI Meeting, Exeter, UK, 2000.

Romanowicz, B., L. Breger and H. Tkalčić, Core sensitive mode and body wave data: possible alternatives to inner core anisotropy, EOS, S314, AGU Spring Meeting, Boston, 2000.

Tkalčić, H., B. Romanowicz and L. Breger, Modeling of D" structure by using hand-picked differential PKP travel time data: is inner core anisotropy needed?, EOS, F760, AGU Fall Meeting, San Francisco, 1999.

Dreger, D., H. Tkalčić and M. Johnson, Observation of volumetric seismic moment tensors in Long Valley, CA, earthquakes and involvement of fluids in the faulting process, EOS, F760, AGU Fall Meeting, San Francisco, 1999.

Breger, L, H. Tkalčić and B. Romanowicz, BC-DF travel times and short-scale heterogeneity in the deep earth, EOS, F21, AGU Fall Meeting, San Francisco, 1999.

Tkalčić, H., B. Romanowicz and A. Souriau, 3D structure and anisotropy of the inner core from PKP data, EOS, F69, AGU Fall Meeting, San Francisco, 1998.

Dreger, D., B. Woods and H. Tkalčić, Determination of non double-couple moment tensor components: possible use of regional methods to discriminate explosions, EOS, F557, AGU Fall Meeting, San Francisco, 1998.

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