Dr Babak Hejrani

Postdoctoral Fellow

Professional Positions:

  • May 2018 - Present:              Joint position as a Researcher at ANU and Geoscience Australia
  • October 2014 - April 2018:   PostDoc fellow, Research School of Earth Sciences, The Australian National University
  • Feb. 2014 - Apr. 2014:           PostDoc fellow, Department of Geoscience, Aarhus University


  • Feb. 2011 - Jan 2014 PhD student, Department of Geoscience, Aarhus University
  • Sep. 2007 - Sep. 2010 Master student, Institute of Geophysics, University of Tehran
  • Sep. 2002 - Sep. 2006 Bachelor student, Department of Science, University of Kurdistan

Place of Birth, Languages

  • Kurdistan 
  • Kurdish, English, Farsi

Research interests

3D Earth imaging:

  1. Seismic wave propagation and finite frequency effects in local and regional earthquake tomography.
  2. Joint inversion of Ambient Noise Tomography and Receiver function data to constrain lithospheric structure.
  3. Hierarchical and Trans-Dimensional Bayesian inference and its application to seismic imaging problems. 

Earthquakes and volcanos:

  1. Probabilistic Bayesian Inversion to constrain earthquake source complexity.
  2. Effect of 3D heterogeneity on Centroid Moment Tensor.
  3. Directivity and rupture propagation of shallow and deep large earthquakes.
  4. Complex earthquakes, caldera collapses and volcanic eruptions.

Seismicity and structural tectonics:

  1. Architecture of Megathrusts and the rupture processes of large earthquakes. 
  2. Earth structure and deep seismicity (>300 km).



12. Mustac, M., Hejrani, B. et al. (2019), Large isotropic component in the source mechanism of the 2013 Democratic People’s Republic of Korea nuclear test revealed via a hierarchical Bayesian inversion, Bulletin of the Seismological Society of America.

11. White, L., Rawlinson, N., Lister, G., Waldhauser, F., Hejrani, B. et al. (2019), Earth's deepest earthquake swarms track fluid ascent beneath nascent arc volcanoes, Earth and Planetary Science Letters.

10. Fontaine, F. R., Roult, G., Hejrani, B. et al., (2019), Very- and ultra-long-period seismic signals prior to and during caldera formation on La Réunion Island, Scientific Reports, 9, 8068. Click to see the paper

09. Hejrani, B. and H. Tkalčić, (2018), The centroid location, magnitude and the mechanism of 20 May 2016 Petermann Ranges earthquake, Austral. J. Earth. Sci., 66, 37-45. Click to see the paper.

08. Lister, G., Forster, M.A., Muston, J.E., Mousavi, S. and B. Hejrani, (2018), Structural geology and the seismotectonics of the 2004 Great Sumatran Earthquake, Tectonics, 37. Click to see the paper. 

07. Lister, G., Tkalčić, H., Hejrani, B., Koulali, A., Rohling, Eelco., Forster, M. and S. McClusky, (2018), Lineaments and earthquake ruptures on the East Japan megathrust, Lithosphere, 10 (4): 512-522.
Click to see the paper.

06. Hejrani, B., H. Tkalčić, and Fichtner, A., (2017), Centroid moment tensor catalogue using a 3-D continental scale Earth model: Application to earthquakes in Papua New Guinea and the Solomon Islands, J. Geophys. Res. Solid Earth, 122 (7): 5517-5543,  Click to see the paper.

05. Mousavi, S., Haberland, C., Bauer, K., Hejrani, B., Korn, M., (2017), Attenuation tomography in West Bohemia/Vogtland, Tectonophysics, 695: 64-75.
Click to see the paper.

04. Hejrani, B., Balling, N., Jacobsen, B.H., England. R. (2017), Upper-mantle velocities below the Scandinavian Mountains from P- and S-wave traveltime tomography, Geophysical Journal International, 208 (1): 177–192.
Click to see the paper. 

03. Mousavi, S., K. Bauer, M. Korn., B. Hejrani (2015), Seismic tomography reveals a mid-crustal intrusive body, fluid pathways and their relation to the earthquake swarms in West Bohemia/Vogtland, Geophysical Journal International, 203 (2): 1113–1127.
Click to see the paper.

02. Hejrani, B., N. Balling., B.H. Jacobsen., F. Tillmann (2015), Upper-mantle P- and S-wave velocities across the Northern Tornquist Zone from traveltime tomography, Geophysical Journal International, 203 (1): 437–458.
Click to see the paper

01. Hejrani, B., B.H. Jacobsen, and N. Balling (2014), Teleseismic tomography when stations follow profiles: pitfalls and remedies, Seismological Research Letters, 85, 997-1003.
Click to see the paper.


Hejrani, B., Valentine, A., Sambridge, M. (2019), Seismicity in The Solomon Islands: Seismic Gaps Explain the Location of Large Earthquakes, IUGG 2019, Montreal, Canada. 

Hejrani, B., Valentine, A., Sambridge, M. (2019), Relaxing the Point Source Constraint: Seismic Analysis Using Sparse Wavefield Expansions, IUGG 2019, Montreal, Canada. 

Hejrani, B., Rakib, H., Gorbatov, A. (2019), High-Performance Seismological Tools (HiPerSeis): Application to 40 Years of Seismic Data within the Australasian Regions, IUGG 2019, Montreal, Canada.

Hassan, R., Hejrani, H., Gorbatov, A., Zhang, Fei. (2019), HiPerSeis: Supercharging the Seismic Workflows on High Performance Computing Platforms, C3DIS 2019, Canberra, Australia. Click here to see the poster.

Haynes, M., Gorbatov, A., Hejrani, B., Hassan, R., Zhang, F. (2019): Resolving the seismic velocity structure of the Australian lithosphere, C3DIS 2019, Canberra, Australia. Click here to see the poster.

Donner, S., Bernauer, M., Reinwald, M., Hadziioannou C., Hejrani, B. (2019), Seismic point and kinematic source solutions from rotational ground motion, EGU 2019 General Assembly in Vienna, Austria. Click here to see the abstract.

Donner, S., Hejrani, B. (2019), Inversion for moment tensors including rotational ground motion: 1D vs 3D structure, DGG 2019 Meeting Germany. 

Hejrani, B. and H. Tkalčić, (2018), Resolving the source parameters of shallow crustal earthquakes in Australia: examples from three earthquakes in the Musgrave Province, AGCC 2018 Meeting in Adelaide, Australia.

Hejrani, B. and H. Tkalčić, (2018), Multiple point source simulation for large earthquakes within the Australasian region, AGCC 2018 Meeting in Adelaide, Australia.

Hejrani, B. Tkalčić, H. and A. Fichtner, (2017), Centroid moment tensor solution using 3D heterogeneous anisotropic Earth: application to Papua New Guinea and Solomon Islands, IASPEI 2017 Kobe, Japan.

Hejrani, B. and H. Tkalčić, (2017), Source properties of large earthquakes in subduction zones using 3D heterogeneous Earth: application to the Australasian region, IASPEI 2017 Kobe, Japan.

Hejrani, B., H. Tkalcic and A. Fichtner (2015), Centroid Moment Tensor Inversion in a 3D heterogeneous Earth: Application to the Australasian region, AGU Fall Meeting 2015, San Francisco, United States.  http://adsabs.harvard.edu/abs/2015AGUFM.S23C2729H

Hejrani, B., B.H. Jacobsen, N. Balling, R. Kind, F. Tilmann, R. England and S.B. Nielsen (2014), P-wave and S-wave traveltime residuals in Caledonian and adjacent units of Northern Europe and Greenland, Geophysical Research Abstracts, EGU2014-10014, Vienna, Austria. http://meetingorganizer.copernicus.org/EGU2014/EGU2014-10014.pdf

Schiffer, C., N. Balling, B.H. Jacobsen, B. Hejrani., S.B. Nielsen (2013), Upper mantle and crustal structure of the East Greenland Caledonides: New geophysical evidence and geodynamic implications, Abstract from 2013 AGU fall meeting, San Francisco, United states. http://adsabs.harvard.edu/abs/2013AGUFM.T11E..06S

Hejrani, B., B.H. Jacobsen, N. Balling, F. Tilmann, R. Kind. (2013), Upper-mantle velocity structure beneath Jutland, Denmark and northern Germany: Preliminary results, IASPEI meeting, Abstract from Knowledge for the future, Guthenburg, Sweden. http://www.forskningsdatabasen.dk/catalog/2185909654

Hejrani, B., B.H. Jacobsen, N. Balling and R. England (2012), A seismic tomography study of lithospheric structure under the Norwegian Caledonides, Geophysical Research Abstracts, EGU2012-4334. Vienna, Austria. http://meetingorganizer.copernicus.org/EGU2012/EGU2012-4334.pdf

Hejrani, B., B.H. Jacobsen, A.B. Medhus and N. Balling (2011), Resolving a deep lithosphere transition between Southern Norway and Southern Sweden, Geophysical Research Abstracts, EGU2011-3144. http://meetingorganizer.copernicus.org/EGU2011/EGU2011-3144.pdf

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