Department of Geophysics, Boğaziçi University
Email :            
Phone :                    +90 (216) 516 32 95
Fax :                        +90 (216) 332 26 81

Postal Address :   Kandilli Observatory and Earthquake Research Institute,
                              Department of Geophysics Çengelköy, İstanbul 34684 Turkey


  • B.S. in Geophysics   Istanbul Technical University, Turkey, 1986
  • M.S. in Geophysics  Colorado School of Mines, Golden, CO, 1992
  • Ph.D. in Geophysics  University of Texas at Dallas,  Dallas, USA 1996

 Work experience

  • 1987 - 1988 Research Assistant, Istanbul Technical University
  • 1990 - 1992 Seismologist, Microgeophysics, Golden-Colorado
  • 1996 - 2004 Assistant Professor, Boğaziçi University, Istanbul
  • 2004 - 2009 Associate Professor, Boğaziçi University, Istanbul
  • 2009 - Now Professor, Boğaziçi University, Istanbul
Research Projects    


  • Investigation of the Mechanics of the North Anatolian Fault and Related Seismic Risk
  • Investigation of the velocity structure in the Marmara region using active and  passive tomography

In Progress

  • Seismic Imaging of the Mantle structure under Aegean-Anatolia Domain

  • Imaging the Crustal Structure of Turkey and Surroundings

  • Monitoring the seismicity along the Çınarcık Fault in Marmara Sea

Courses Offered

  • GPH 503 Mathematical Methods in Geophysics
  • GPH 540 Wave Propagation I  
  • GPH 644 Inversion Methods in Geophysics
  • GPH 647 Wave Propagation II  
  • GPH 645 Numerical Methods in Seismology

Guided Theses

MSc/PhD Theses Completed

MSc/PhD Theses in Progress

 Publications (SCI)

M., Bouchon, V. Durand, D. Marsan, H. Karabulut and J. Schmittbuhl, 2013 The long precursory phase of most large interplate earthquakes, Nature Geosciences. PDF
H. Karabulut, A. Paul, T.A. Ergün, D., Hatzfeld, D. M. Childs and M. Aktar, 2013,  Long-wavelength undulations of the seismic Moho beneath the strongly stretched Western Anatolia, Geophys. J. Int. PDF
Jolivet, L., et al., Aegean tectonics: Strain localisation, slab tearing and trench retreat, Tectonophysics (2012), doi:10.1016/j.tecto.2012.06.011
G. Salaün, H. A. Pedersen, A. Paul, V. Farra, H. Karabulut, D.  Hatzfeld, C. Papazachos,D. M. Childs, C. Pequegnat and SIMBAAD Team, 2012. High-resolution surface wave tomography of the Aegean-Anatolia region: constraints on upper mantle structure, Geophys. J. Int., 190, 406–420. PDF
Y. Özakın, Y. Ben-Zion, M. Aktar, H. Karabulut, and Z.  Peng, 2012, Velocity contrast across the 1944 rupture zone of the North Anatolian fault east of Ismetpasa from analysis of teleseismic arrivals, Geophysical Research Letters, Vol. 39, L08307, doi:10.1029/2012GL051426. PDF
A.K.Mutlu and H. Karabulut, 2011. Anisotropic Pn tomography of Turkey and adjacent regions, Geophys. J. Int. (2011) 187, 1743–1758. PDF
H. Karabulut, J. Schmittbuhl, S. Özalaybey, O. Lengliné, A. Kömeç-Mutlu, V. Durand, M. Bouchon, G. Daniel, M.P. Bouin, 2011, Evolution of the seismicity in the eastern Marmara Sea a decade before and after the 17 August 1999 Izmit earthquake, Tectonophysics, 510, 17-27. PDF
Bouchon, M., Karabulut, H., Aktar, M., Ozalaybey, S., Schmittbuhl, J., Bouin, M., 2011. Extended nucleation of the 1999 m-w 7.6 Izmit earthquake. Science 331, 877–880.
Bouchon, M.,  Karabulut, H., Bouin, M-P., Schmittbuhl, J., Vallée, M., Archuleta, R., Das, S., Renard, F., Marsan, D., 2010. Faulting characteristics of supershear earthquakes Tectonophysics 493 244–253
Durand, V., M. Bouchon, H. Karabulut, D. Marsan, J. Schmittbuhl, M.-P. Bouin, M. Aktar, and G. Daniel (2010), Seismic interaction and delayed triggering along the North Anatolian Fault, Geophys. Res. Lett., 37, L18310, doi:10.1029/2010GL044688. PDF
Cambaz, M.D. and Karabulut, H.  2010, Love Wave Group Velocity Maps of Turkey and Surrounding regions, Geophys. J. Int. (2010) 181, 502–520 PDF
Aksarı, D., Karabulut, H. Özalaybey, S., 2009, Stress Interactions of two Moderate Size Earthquakes alon the Sultandağı Fault, Tectonophysics 485 (2010) 141–153
Bouchon, M. and  Karabulut, H. 2008,  The Aftershock Signature of Supershear Earthquakes, Science,  320,  1323. PDF
Karabulut, H. and Bouchon, H., 2007,  Spatial variability and non-linearity of strong ground motion near a fault, Geophys. J. Int.,  170, 262–274
Aktar, M.,  Karabulut, H., Özalaybey, S. and Childs, D., 2007, A conjugate strike-slip fault system within the extensional tectonics of Western Turkey, Geophys. J. Int.,  171, 1363–1375
Karabulut,H., Roumelioti, Benetatos, C.,Mutlu,A.K, Özalaybey,S, Aktar,M. and  Kiratzi,A., 2006, “A source study of the 6 July 2003 (Mw 5.7) earthquake sequence in the Gulf of Saros (Northern Aegean Sea): new evidence for the western continuation of the Ganos fault”,  Tectonophsics. 412 (2006) 195–216
M.-P.Bouin, Bouchon, M., Karabulut, H., Aktar, M., Rupture process of the 1999 November 12 Düzce (Turkey) earthquake deduced from strong motion and Global Positioning System measurements, Geophysical Journal International, 159 (2004).
Aktar, M., Özalaybey,S., Ergin, M., Karabulut, H., Bouin, M-P.,Tapırdamaz, C.,Biçmen, F.,Yörük, A., Bouchon, M.,”Spatial variation of aftershock activity across the rupture zone of the 17 August 1999 Izmit earthquake”, Tectonophsics, 391 (2004), 325-334.
Karabulut, H.,  Özalaybey, S., Taymaz, T.,  Aktar, M., Selvi, O., Kocaoğlu, A.,  2003,A Tomographic Image of the Shallow Crustal Structure in the Eastern   Marmara,  Geophysical Research Letters, Vol 30, No 24, 2277.
Türkelli, N., Sandvol E., Zor E., Gok R., Bekler T., Al-Lazki A., Karabulut H., Kuleli S.,Eken T., Gurbuz C., Bayraktutan S., Seber D., Barazangi M., “ Seismogenic zones in Eastern Turkey”, Geophys. Res. Lett., Vol. 30, No. 24, 8039, 2003.
Karabulut, H., Bouin, M., Bouchon, M.,  Dietrich, M., Cornou C., and Aktar, M.,  “The 
Seismicity   in the Eastern Marmara Sea after the August 17, 1999 Izmit Earthquake,” ,”  
Bulltein of     Seismological Society of America,   2002. 92, 1, pp. 387–393
Bouchon, M.,  Toksöz, M.N, Karabulut, H., Bouin, M., Dietrich, M.,  Aktar, M. and Edie, M.,
“Seismic Imaging of the 1999 Izmit (Turkey) Rupture Inferred from the Near-Field
Recordings”, Geophysical Research Letters, Vol. 27, No 18, Pages 3013-3016 (2000).
Bouchon, M., Bouin, M.,  Karabulut, H., Toksoz, M.N,  Dietrich M., and Rosakis, A.J., “How
Fast is Rupture during an Earthquake ? New Insights from the 1999 Turkey Earthquake,”
Geophysical Research Letters, Vol. 28, No 14, Pages 2723-2726 (2001).
Bouchon M. and Karabulut, H., “A Note on Seismic Activity near the Eastern Termination of the Izmit Rupture in the Hours Preceding the Düzce Earthquake,”, Bulltein of Seismological
Society of America, 2002.  92, 1, pp. 406–410
Bouchon, M.,  Toksoz, M.N., Karabulut, H., Bouin, M., Dietrich, M., Aktar, M. and Edie. M.,
“Space and Time Evolution of Rupture and Faulting during the 1999 Izmit (Turkey)
Earthquake,” Bulltein of Seismological Society of America,  2002. 92, 1, pp. 256–266
Karabulut H. ve Ferguson, J. F., “SH Wave Propagation by Discrete Wavenumber Boundary     Integral Modeling in Transversely Isotropic Medium,” Bulltein of Seismological Society of    America, Vol. 86, Pages 524-529 (1996).
Karabulut H. ve Ferguson,J.F., “An analysis of the indirect boundary element method for
seismic modelling,” Geophysical Journal International, 147, 68-76 (2001).