Prof. Dr. Mustafa Aktar- Ana Bilimdalı Başkanı

 

 aktar1Email :  aktar@boun.edu.tr
  Phone :  +90 (216) 516 33 92

 

 

 

Education

  • B.S. in Electronics – Manchester University Institute of Science and Technology (UK)
  • M.Sc in Electronics – Boğaziçi University Department of the Electrical Electronic Engineering
  • Ph.D in Electronics – Boğaziçi University Department of the Electrical Electronic Engineering

Work experience

a.   Academic

1.   Teaching Assistant in Electronic Engineering   1980-1983
Bogazici University, İstanbul, Turkey

2.   Full-time Reseach Scientist   1984 -1996
TUBITAK – Earth and Marine Sciences Research Institute

3.   Member of Academy at The Department of Geophysics (part-time)   1987-1992
Technical Univ. of İstanbul

Course: Digital Signal Processing  in Geophysics

4.   Member of Academy at The Department of Geophysics (part-time)   1993 -1995
Kandilli Observatory, Earthquake Research Institute
, Bogazici  University, İstanbul
Course: Seismometry and Seismological Instrumentation

5.   Scientific Advisor (part-time)    1984 -1996
TUBITAK – Earth and Marine Sciences Research Institute

6.   Faculty Member (Full-Time)   1996-present  Department of Geophysics, Professor
Kandilli Observatory and Earthquake Research Institute,
Bogazici  University, İstanbul

b.  Administrative

1.   Head of the Department of Earth Sciences   1986-1988
Institute of Basic Sciences
  Marmara Research Center  TUBITAK – Scientific and Technical Research Council of Turkey
2.   Head of the Seismology Section   1998-2000
Earth Sciences Research Institute
  Marmara Research Center TUBITAK – Scientific and Technical Research Council of Turkey
3.   Head of Department of Geophysics   1999-2001
Kandilli Observatory, Earthquake Research Institute
  Bogazici  University, İstanbul
4.   Vice-Director   2003-2004
Kandilli Observatory, Earthquake Research Institute
  Bogazici University, İstanbul, Turkey
5.  Member of National Earthquake Council   2004 – 2008
6.  Head of Department of Geophysics   2008 – 2010
Kandilli Observatory, Earthquake Research Institute
  Bogazici  University, İstanbul

c. Invited

1.   MIT Earth Resources Laboratories, Boston USA   1996
2.   IPG de Strasbourg France   1998
3.   Univ. de Pierre et marie Curie Paris France   2001
4.   Laboratoire de Geodynamique Univ. de J. Fourier Grenoble France   2009

Research Projects 

     a. Completed

            1.   Director of Project: Seismic Networks   1987-1992
                 Department of Earth Sciences
                 Institute of Basic Sciences, Marmara Research Center
                 TUBITAK – Scientific and Technical Research Council of Turkey
 
           2.   Director of Project: Seismotectonic Structure of Anatolia   1993-1997
                 Department of Earth Sciences
                 Institute of Basic Sciences, Marmara Research Center
                 TUBITAK – Scientific and Technical Research Council of Turkey
 
           3.   Director of Project: Seismicity of the İzmit Bay  1995-1997
                 Department of Earth Sciences
                 Marmara Research Center
                 TUBITAK – Scientific and Technical Research Council of Turkey
 
           4.   Director of Project: Earthquake Seismology in W- and S-Turkey   1998-2001
                 Department of Earth Sciences
                 Marmara Research Center
                 TUBITAK – Scientific and Technical Research Council of Turkey
 
           5.   Director of Project: Cross-boundary Seismicity   2002-2004
                 (cooperation between Turkey and Greece)
                 TUBITAK – Scientific and Technical Research Council of Turkey 102Y013
 
           6.   Director of Project: The active Seismicity of Gokova Bay   2005-2008
                 TUBITAK – Scientific and Technical Research Council of Turkey 104Y336
 
           7.   Director of Project: Common Strategies in Earthq . Hazard Asseesment   2005-2007
                 (cooperation between Turkey and Greece)
                 TUBITAK – Scientific and Technical Research Council of Turkey 105Y364     
 
           8.   Bayesian Source Separation by Time seires Analysis (scientific advisor)   2007-2009
                 TUBITAK – Scientific and Technical Research Council of Turkey 107K050
 
           9.   Director of Project: PIRES I (Princes Islands High Resolution Seism.)   2008- 2010
                 European project trough with cooperation GFZ
 
     b. In Progress
 
           10. Speleothem in Çatalhayük (scientific advisor)  2008-ongoing
                 TUBITAK – Scientific and Technical Research Council of Turkey     
                 108K436
 
           11. Director of Project: Is Cinarcik Fault strong or weak  2009-ongoing
                 BU Research Fundation –   09M103
 
           12. Director of Project: PIRES II  2010- ongoing
                 European project trough with cooperation GFZ
 
           13. Director of Project: Source Mechanism of Microearthquakes 2009-ongoing
                  by Amplitude Amplification Factor                                                                   
                 BU Research Fundation –    M6000
 
           14. Director of Project: velocity models, Moment Tensors, Slip Models  2011-ongoing
                 (cooperation between Turkey and Greece)
                 TUBITAK – Scientific and Technical Research Council of Turkey
                 105Y364
 
Courses Offered
 
GPH 501 – Fundamentals of Theoretical Geophysics      
Vector fields in Geophysics. Vector calculus. Multiple integrals. Integral of vector fields over curves and surfaces. Integral theorems: Green’s theorem in the plane.  Divergence theorem. Stoke’s theorem. Conservative fields, potentials. Potential and fields for gravity and electrostatic. Fluid Flow. Electrical and Magnetic Fields. Partial differential equations in geophysics. Heat equation. Method of separation of variables. Wave Equation: d’Alembert Solution. Wave Equation in polar coordinates.  
 
GPH 542 – Physics of Earthquake Sources 1       
Point sources. Near field, far field radiation. Equivalent body forces. Double couple sources.  Elastostatic. Elastodynamic. Seismic moment tensor. Radiation pattern. Fault plane solutions. Finite sources. Rupture models. Haskell Source. Source directivity. Source spectrum. Fault geometry and corner frequency. Stress drop, rupture velocity. Magnitude. Energy.   
 
GPH 641  – Physics of Earthquake Sources 2      
 Moment Tensor Representation. Body wave modeling. Surface wave modeling. Rectangular and Circular fault models. Rupture dynamics. Friction: Byerlee’s Law, Coulomb failure, slip-weakening, rate- and state-dependent friction. Nucleation, propogation and arrest of a rupture. Crack growth model. Spatio-Temporal Seismicity Patterns. Characterization of fault zone structures, trapped waves.  
 
GPH 642   – Global Seismology       
Global distribution of seismic sources. Large scale structure of the Earth. Crustal and upper mantle propagation. Mantle and core phases. Receiver Function.  Global tomography. S-wave spilitting and upper mantle anisotropy. Free oscillations of the Earth. Surface waves on spherical earth. Normal modes. Centroid moment tensor.
 
Guided Thesesa.  MSc Completed                   
Zeynep Çoşkun, Rapid magnitude estimation in Microearthquakes, 2010  
Gülçin Güner, Dynamic triggering of Microearthquakes in Gökova Bay, 2010  
Yaman Özakın,  Crustal Structure of Southwestern Anatolia Using Receiver Function Analysis, 2008  
Yalçın Kılıç, Blind Separation of Source, 2007  
Fatih Bulut, Relocating earthquakes by hypoDD in Çınarcık Basin and Surroundings, 2007  
Ethem Görgün, Magnitud calibration in Marmara Sea Earthquakes, 2005  
Feyza Nur Bekler, Serach of Optimal Crustal Velocities using  Waveform Modelling of Local Earthquakes, 2004  
Canan Evirgen, Detection and Relocation of Undetected small magnitude events, 2002  
Ayşegül Köseoğlu,  Spectral Characterisitics of Noise in Broadband and Semi-broadband Stations, 2001  
Şükriye Öz, Source Parameters of Dinar Earthquake (1995) Aftershocks. 1998  
 
b. PhD Completed  
 
Gonca Örgülü, Regional Moment Tensor Inversion, 2003  
 
c. PhD in Progress  
 
Birsen Can, Microseismicity, Structure and Stress Properties of Çınarcık Basin using Array Processing  
Seda Yelkenci, Modelling of 3-D Seismic Wave Propogartion in Marmara Region Publications (SCI)a.  Publications in SCI
1. Title: Extended Nucleation of the 1999 M-w 7.6 Izmit Earthquake
Author(s): Bouchon, M; Karabulut, H; Aktar, M, M., özalaybey, S., Schmitbuhl, J., Bouin, MP
Source: SCIENCE   Volume: 331   Issue: 6019   Pages: 877-880   
Published: 2011
 
2. Title: A Bayesian Deconvolution Approach for Receiver Function Analysis
Author(s): Yildirim S, Cemgil AT, Aktar M, Ozakin Y, Ertuzun A             
Source: IEEE TRANSACTIONS ON GEOSCIENCE AND REMOTE SENSING   Volume: 48   Issue: 12   Pages: 4151-4163  Published: 2010
 
3. Title: Seismic interaction and delayed triggering along the North Anatolian Fault
Author(s): Durand V, Bouchon M, Karabulut H, Marsan D, Schmittbuhl J, Bouin MP, Aktar M, Daniel G
Source: GEOPHYSICAL RESEARCH LETTERS   Volume: 37   Article Number: L18310   
Published: 2010  
 
4. Title: Microseismicity at the North Anatolian Fault in the Sea of Marmara offshore Istanbul, NW Turkey
Author(s): Bulut F., Bohnhoff, M., Ellesworth, B., Aktar, M., and G. Dresen
Source: JOURNAL OF GEOPHYSICAL RESEARCH-SOLID EARTH   Volume: 114   Article Number: B09302
Published: 2009  
 
5. Title: A high-resolution aftershock seismicity image of the 2002 Sultandagi-Cay earthquake (Mw=6.2), Turkey
Author(s): Ergin, M., Aktar, M., Özalaybey, S., Tapirdamaz M.C., Selvi, O. and A. Tarancioglu
Source: JOURNAL OF SEISMOLOGY   Volume: 13   Issue: 4   Pages: 633-646   
Published: OCT 2009  
 
6. Title: Tectonic evolution of the Ganos segment of the North Anatolian Fault (NW Turkey)
Author(s): Janssen C, Bohnhoff M, Vapnik Y, Gorgun, E. Bulut, F., Plessen, Pohl, D, Aktar, M, Okay
Source: JOURNAL OF STRUCTURAL GEOLOGY   Volume: 31   Issue: 1   Pages: 9-28   
Published: JAN 2009
 
7. Title: A conjugate strike-slip fault system within the extensional tectonics of Western Turkey
Author(s): Aktar, M., Karabulut, H. , Özalaybey, S., and D. Childs
Source: GEOPHYSICAL JOURNAL INTERNATIONAL   Volume: 171   Issue: 3   Pages: 1363-1375             
Published: DEC 2007
 
8. Title: Characterization of aftershock-fault plane orientations of the 1999 Izmit (Turkey) earthquake using high-resolution aftershock locations
Author(s): Bulut F., M. Bohnhoff, M. Aktar, G. Dresen
Source: GEOPHYSICAL RESEARCH LETTERS   Volume: 34   Issue: 20 Article Number: L20306             
Published: OCT 19 2007  
 
9. Title: Accurate relocation of Izmit earthquake (Mw=7.4, 1999) aftershocks in Cinarcik Basin using double difference method
Author(s): Bulut F, Aktar M
Source: GEOPHYSICAL RESEARCH LETTERS   Volume: 34   Issue: 10 Article Number: L10307             
Published: MAY 25 2007
 
10. Title: A source study of the 6 July 2003 (M-w 5.7) earthquake sequence in the Gulf of Saros (Northern Aegean Sea): Seismological evidence for the western continuation of the Ganos fault
Author(s): Karabulut, K, Roumelioti, R., Benetatos, C., Mutlu, A. K., Ozalaybey, S., Aktar, M,         Kiratzi A.
Source: TECTONOPHYSICS   Volume: 412   Issue: 3-4   Pages: 195-216   
Published: JAN 20 2006  
 
11. Title: Spatial variation of aftershock activity across the rupture zone of the 17 August 1999 Izmit earthquake, Turkey
Author(s): Aktar, M., Özalaybey, S., Ergin, M., Karabulut, H., Bouin, M., P., Tapırdamaz, C., Biçmen        
Conference Information: 1st International Symposium on Earth Sciences and Engineering,        
MAY 16-18, 2002 Istanbul, TURKEY
Source: TECTONOPHYSICS   Volume: 391   Issue: 1-4   Pages: 325-334  
Published: OCT 29 2004
 
12. Title: Site amplification at Avcilar, Istanbul
Author(s): Ergin, M., Özalaybey, S., Aktar, M. and M. N. Yalçın
Conference Information: 1st International Symposium on Earth Sciences and Engineering,        
MAY 16-18, 2002 Istanbul, TURKEY
Source: TECTONOPHYSICS   Volume: 391   Issue: 1-4   Pages: 335-346  
Published: OCT 29 2004  
 
13. Title: Rupture process of the 1999 November 12 Duzce (Turkey) earthquake deduced from strong motion and Global Positioning System measurements
Author(s): Bouin, M.P., Bouchon, M., Karabulut, H., Aktar, M
Source: GEOPHYSICAL JOURNAL INTERNATIONAL   Volume: 159   Issue: 1   Pages: 207-211            
Published: OCT 2004  
 
14. Title: Present-day seismicity and seismotectonics of the Cilician Basin: Eastern Mediterranean Region of Turkey         Author(s): Ergin M, Aktar M, Eyidogan H
Source: BULLETIN OF THE SEISMOLOGICAL SOCIETY OF AMERICA   Volume: 94   Issue: 3  Pages: 930-939  Published: JUN 2004
 
15. Title: The seismic velocity and fault structure of the Erzincan basin, Turkey, using local earthquake tomography
Author(s): Aktar M, Dorbath C, Arpat E
Source: GEOPHYSICAL JOURNAL INTERNATIONAL   Volume: 156   Issue: 3   Pages: 497-505            
Published: MAR 2004  
 
16. Title: A tomographic image of the shallow crustal structure in the Eastern Marmara
Author(s): Karabulut H., S. Özalaybey, T. Taymaz, M. Aktar, O. Selvi, A. Kocabeyoglu
Source: GEOPHYSICAL RESEARCH LETTERS   Volume: 30   Issue: 24 Article Number: 2277             
Published: DEC 26 2003
 
17. Title: Contribution to the seismotectonics of Eastern Turkey from moderate and small size events
Author(s): Orgulu G, Aktar M, Turkelli N, et al.
Source: GEOPHYSICAL RESEARCH LETTERS   Volume: 30   Issue: 24 Article Number: 8040             
Published: DEC 10 2003  
 
18. Title: A shallow fault-zone structure illuminated by trapped waves in the Karadere-Duzce branch of the North Anatolian Fault, western Turkey
Author(s): Ben-zion,Y, Peng,Z., Okaya,D., Seeber, L.Armbruster,.,Ozer,, Michale, Barış, Aktar, M.
Source: GEOPHYSICAL JOURNAL INTERNATIONAL   Volume: 152   Issue: 3   Pages: 699-717            
Published: MAR 2003  
 
19. Title: Space and time evolution of rupture and faulting during the 1999 Izmit (Turkey) earthquake
Author(s): Bouchon, M., Toksöz, N., Karabulut, H., Bouin, M-P., Dietrich, M., Aktar, M, and M. Edie
Source: BULLETIN OF THE SEISMOLOGICAL SOCIETY OF AMERICA   Volume: 92   Issue: 1 Pages: 256-266  Published: FEB 2002
 
20. Title: The 1999 Izmit earthquake sequence in turkey: Seismological and tectonic aspects
Author(s): Özalaybey, S., Ergin, M., Aktar, M., Tapırdamaz, C., Biçmen, F. and A. Yörük
Source: BULLETIN OF THE SEISMOLOGICAL SOCIETY OF AMERICA   Volume: 92   Issue: 1  Pages: 376-386  Published: FEB 2002  
 
21. Title: Regional moment tensor inversion for strong aftershocks of the August 17, 1999 Izmit earthquake (M-w=7.4)
Author(s): Orgulu G, Aktar M
Source: GEOPHYSICAL RESEARCH LETTERS   Volume: 28   Issue: 2   Pages: 371-374            
Published: JAN 15 2001  
 
22. Title: Seismic imaging of the 1999 Izmit (Turkey) rupture inferred from the near-fault recordings
Author(s): Bouchon, M., Toksoz, N., Karabulut, H., Bouin, M., Deitrich, M., Aktar, M., and Edie, M          
Source: GEOPHYSICAL RESEARCH LETTERS   Volume: 27   Issue: 18   Pages: 3013-3016            
Published: SEP 15 2000  
 
23. Title: A lower-crustal event in the northeastern Mediterranean: The 1998 Adana Earthquake (M-w=6.2) and its aftershocks
Author(s): Aktar, M., Ergin, M., Özalaybey, S., Tapirdamaz, C., Yoruk, A. and F. Bicmen
Source: GEOPHYSICAL RESEARCH LETTERS   Volume: 27   Issue: 16   Pages: 2361-2364             
Published: AUG 15 2000  
 
24. Title: The seismotectonics of the Marmara region (Turkey): results from a microseismic experiment
Author(s): Gurbuz, C., Aktar, M., Eyidogan. H., Cisternas, A., Haessler, H., Barka, A., Ergin, M.          
Source: TECTONOPHYSICS   Volume: 316   Issue: 1-2   Pages: 1-17   
Published: JAN 15 2000  
 
25. Title: Properties of the maximum-likelihood and pisarenko spectral estimates
Author(s): Aktar, M., Sankur B,Istefanopulos Y.
Source: SIGNAL PROCESSING   Volume: 8   Issue: 4   Pages: 401-413   
Published: 1985
 
26. Title: Adaptive Delta-Modulator with tree coder
Author(s): Aktar, M., Sankur B, Abut H.
Source: AEU-INTERNATIONAL JOURNAL OF ELECTRONICS AND COMMUNICATIONS  Volume: 33   Issue: 11  Pages: 437-440   
Published: 1979    
 
Abstracts and Presentationss given at profesional meetings (Last 15 years)                      
  1. Ergin, M.,  Aktar, M.,  S. Ergintav and F. Bicmen (1995) Aftershocks of the Erzincan Earthquake, Nezihi Canitez Sempozyumu, 10-15 Nisan, ‹stanbul. (in Turkish)          
  2. Bicmen, F., M. Aktar, S. Ergintav, M. Ergin, A. Yoruk and H. Kaplan, (1995) Seismological Observations in Cilicia Region, Nezihi Canitez Sempozyumu, 10-15 Nisan, İstanbul. (in Turkish)          
  3. Sellami, S., N. Pavoni, H. Eyidogan, M. Aktar, C. Gurbuz, (1995) Recent Seismological Observations in Bursa Region, Workshop on Polyproject Marmara, 20-21 April, Istanbul.         
  4.  Aktar, M., Li, Y, Toksoz, M.N., Ergin, M., Ergintav, S., A. Yoruk and Bicmen, F., (1996) Dinar Earthquake of 1 October 1995 and its aftershocks, Symp. Earthquake Research in Turkey: State of the Art, 2-5 October 1996, Ankara.          
  5. Ergin, M., Aktar, M., Bicmen, F., Yoruk, A., Kuleli, S. and Yalcin, M.N., (1996), Detailed Microearthquake monitoring of the İzmit Bay, Symp. Earthquake Research in Turkey: State of the Art, 2-5 October 1996, Ankara.         
  6. Yalcin, M.N., Selvi, O., Ergintav, S., Aktar, M., Bicmen, F., Saatcilar, R., Ergin, M., Yoruk, A., Esen, H.M., Boztepe, A, Genc, Baysal, E., (1996). Akyazi-Tarakli Seismic Refraction Profile, I. Workshop National Marine geology and Geophysics Program, Ankara          
  7. Ergin, M., Aktar, M., Bicmen, F., Yoruk A., Yalcin, N.M., Kuleli S.  (1997) Microearthquake studies in Izmit Bay,  I Assembly of Active Tectonic Group, ITU 8-9 December 1997, istanbul (in Turkish)          
  8. Aktar, M., Ergin, M., Bicmen, F., Yoruk A., Ergintav, S., Tapirdamaz, C., Li, Y., Toksoz, M.N.,  (1997) Dinar Earthquake of 1 October 1995: Unilateral or bilateral rupture? I Assembly of Active Tectonic Group, ITU 8-9 December 1997, Istanbul (in Turkish)         
  9. Ergin, M., Aktar, M., Bicmen, F., A. Yoruk and N.M. Yalcin (1997) Detailed microearthquake monitoring of Izmit Bay (Turkey) IASPEI 1997, 29th General Assembly, August 18-28, 1997, Thessaloniki.          
  10. Gurbuz, C., Aktar, M., Eyidogan, H., Cisternas, A., Haessler, H., Barka, A., Turkelli, N., Bicmen, F., (1997) On Seismotectonics of the Marmara Region (Turkey): Results from a macroseismic experiment, (1997)  IASPEI 1997, 29th General Assembly, August 18-28, 1997, Thessaloniki.      
  11. Ergintav, S., Saatciler, R., Selvi. O., Aktar, M.,Yalcin, N.,  Bicmen, F., Ergin, M., İnan, S., Gurdal, G., Yoruk, A., Esen, H., (1997)  Deep Seismic studies in Anatolia, IASPEI 1997, 29th General Assembly, August 18-28, 1997, Thessaloniki.         
  12. Hatzfeld, D.; Karagianni, E.; Kassaras, I.; Kiratzi, A.; Louvari, E.; Lyon-Caen, H.; Makropoulos, K.; Papadimitriou, P.; Priestley, K.; Aktar, M.; Bock, G., Shear Wave Anisotropy in the Upper Mantle Beneath the Aegean, E. G. S., The Hague, April 19-23          
  13. Sellami, S., Mayer-Rosa, D., Pavoni, N., Eyidogan, H., Aktar, M., Gurbuz, C., (1997)  Integrate seismicity and seismotectonics studies of the Bursa Region (Turkey) IASPEI 1997, 29th General Assembly, August 18-28, 1997, Thessaloniki.          
  14. Aktar, M., Li, Y, Toksoz, M.N., Ergin, M., Ergintav, S., A. Yoruk and Bicmen, F., (1997) Dinar Earthquake of 1 October 1995 and its aftershocks, IASPEI 1997, 29th General Assembly, August 18-28, 1997, Thessaloniki.          
  15. Ergin, M., Aktar, M., Eyidogan, H., Özalaybey. S., Bicmen, F.,  Yoruk A. and C. Tapirdamaz (1998) Present day seismicity and seismotectonic characteristics of the Cilician Region,  26th General Assembly of ESC, August 23-28, Tel-Aviv, 1998
  16. Örgulu, G. and M. Aktar (1998) Moment tensor inversion of moderate size events of Northern Eagean using regional data,  26th General Assembly of ESC, August 23-28, Tel-Aviv          
  17. Aktar, M., Ergin, M. and S. Özalaybey (1998) Analysis of various magnitude scales for the Cilician Network,  26th General Assembly of ESC, August 23-28, Tel-Aviv          
  18. Ergin, M., Aktar, M., Özalaybey. S., Bicmen, F.,  Yoruk A. and C. Tapirdamaz (1998) 27 June 1998 Adana Mainshock and its aftershocks, II Assembly of Active Tectonic Group, ITU 10-11 December 1998, Istanbul (in Turkish)          
  19. Karabulut, H., Özalaybey. S., and M. Aktar (1998) Wavefield investigation of the 27 June 1998 Adana Mainshock, II Assembly of Active Tectonic Group, ITU 10-11 December 1998, Istanbul (in Turkish)          
  20. Tapirdamaz, C., Aktar, M., and S. Özalaybey. S. (1998) Discussion on the relationship between Ml and Md magnitude scales at Cilician Seismic Network, II Assembly of Active Tectonic Group, ITU 10-11 December 1998, Istanbul (in Turkish)          
  21. Özalaybey. S., and M. Aktar (1998) The crustal structure of the Cilician region using Receiver Function method, II Assembly of Active Tectonic Group, ITU 10-11 December 1998, Istanbul (in Turkish)          
  22. Eyidogan, H., Aktar, M., Akinci, A., Kaypak, B., Ergin, M., Ergintav, S., Polat, O. and F. Bicmen, (1998) MicMicroearthquake activity of the Saros Bay and the seismotectonics characteristics of the Edremit Bay, II Assembly of Active Tectonic Group, ITU 10-11 December 1998, Istanbul (in Turkish)          
  23. Aktar, M., Özalaybey, S, Ergin, M., Tapidamaz, C., Bicmen, F., and Yoruk, A., (1999). Study of the aftershock sequence of 17th August Izmit earthquake, ITU-IAHS Int. Conf on the Kocaeli Erthquake of 17 Augus 1999, Istanbul          
  24. Haessler, H., Polat, O., Cisternas, A., Eyidogan. H., Gurbuz, C., Frogneux, M., Aktar, M. And M. Bouchon, (1999), Seismic History of August 17, 1999, Izmit Earthquake: Before, During and After, AGU Fall Meeting, December 13-17, 1999, San Francisco         
  25. Karabulut, H., Özalaybey, S., Aktar, M., Tapidamaz, C., 1999, Analysisi of seismic wavefield of Izmit rupture zone, AGU Fall Meeting, December 13-17, 1999, San Francisco          
  26. Özalaybey, S., Aktar, M., Selvi, O., Ergin, M., Tapidamaz, C., Bicmen, F., and Yoruk, A., (1999), Izmit Earthquake (8/17/1999, Mw=7.4): Source Characteristics of Aftershocks in the Vicinitiy of Nucleation Point, AGU Fall Meeting, December 13-17, 1999, San Francisco         
  27.  Aktar, M., Özalaybey, S, Selvi, O., Ergin, M., Tapidamaz, C., Bicmen, F., and Yoruk, A., (1999). Seismicity parameters of the aftershock cluster zones of !7th August Izmit earthquake, AGU Fall Meeting, December 13-17, 1999, San Francisco
  28. Ergin, M., Aktar, M., Özalaybey, S., Selvi, O., Tapidamaz, C., Bicmen, F., and Yoruk, A., (1999), Izmit Earthquake (8/17/1999, Mw=7.4): Analysis of Westernmost Aftershock Activity, AGU Fall Meeting, December 13-17, 1999, San Francisco          
  29. Örgulu, G. And M. Aktar, (1999). Regional Moment Tensor Analysis of the 17th August Izmit earthquake, AGU Fall Meeting, December 13-17, 1999, San Francisco          
  30. Passmore, P., Pavel, D., Zimakov, L., Selvi, O., Aktar, M., Özalaybey, S, and M. Ergin, (2000),  New opportunities for aftershock study technique using miniature high resolution, low power digitizer, EGS XXV General Assembly ,  April 25-29, Nice          
  31. Karabulut, H., Bouchon, M., Aktar, M., Bouin, M.-P., Dietrich, M., Deschamps, A., Courboulex, F., (2000),  Duzce Earthquake: modelling of the mainshock and aftershocks, EGS XXV General Assembly ,  April 25-29, Nice          
  32. Bouin, M.-P., Bouchon, M., Campos, J., Patau, G., Clevede, E., Karabulut, H., and M. Aktar, (2000),. Faulting Process of August 17, 1999 Izmit Earthquake,  EGS XXV General Assembly ,  April 25-29, Nice          
  33. Aktar, M., Örgulu, G., Özalaybey, S, Ergin, M., and H. Karabulut, (2000),, Study of the aftershock sequence of 17th August Izmit earthquake, NATO Advenced Study Seminar,  May 14-17, Istanbul.          
  34. Eyidoğan, H., Heassler, H., Polat, O., Cisternas, A., Gürbüz, C., Frogneux, M., Aktar, Üçer, B., M.T., Bouchon, M., Comte, D., Philip, H., Kaypak, B., Ergin, M., Karabulut, H., Akıncı, A., Kuleli, S., Yörük, A., “Seismic history of the August 17, 1999, Izmit earthquake: before, during and after”, The 1999 İzmit and Düzce Erthquakes: preliminary results, İTÜ, Proceedings, İstanbul. 161-169,  2000)         
  35. Ergin, M., Özalaybey, S., Aktar, M., Tapırdamaz, C., Yörük, A., and Biçmen, F., “Aftershock analysis of the August 17,1990 Izmit, Turkey earthquake”, The 1999 İzmit and Düzce Erthquakes: preliminary results, İTÜ, Proceedings,  İstanbul. 171-178,  2000  
  36. Özalaybey, S., Karabulut, H., Ergin, M., Aktar, M., and Bouchon, M., “The 1999 İzmit earthquake sequence in NW-Turkey seismological aspects, Symposia on seismotectonics of the North-Western Anatolia-Aegean and recent Turkish earthquakes”, İTÜ, Faculty of Mines, Proceedings,  İstanbul, 72-77, 2001  Aktar, M, Recent seismicity of the Marmara Sea and its implications for the earthquake hazard in the city of Istanbul RELIEF-Workshop on Ground motion simulations based on earthquake scenarios along the North Anatolian Fault Zone, Bergen, 2003          
  37. Karabulut, H., Özalaybey, S., Taymaz, T., Aktar, M., Kocaoğlu, A. & SEISMARMARA Group, 2003. A Tomographic Image of the Shallow Crustal Structure in the Eastern Marmara Region of Turkey. International Workshop on the North Anatolian, East Anatolian and Dead Sea Fault Systems: Recent Progress in Tectonics and Paleoseismology and Field Training Course in Paleoseismology, P.35, Middle East Technical University (METU), Ankara, Turkey, 31 August – 12 September 2003          
  38. Aktar, M., “Present state of seismic networks in Turkey”, Workshop on Upgrading Seismic Networks in South East Turkey Lubliana, Slovenya, 2004.          
  39. Aktar, M., “Vertical secular ground motion in Istanbul metropolitan district, using space radar interferometry”, Workshop on Satellite Interferometry , Varsova, Polonya, 2004.          
  40. Dietrich, M., Gürbüz, C., Brenguier, F., Karabulut, H., Bouchon M., Aktar, M., “Vibroseisseismic reflection campaign along the north anatolian fault”, EGU General Assembly 2004, 6, Nice, Fransa, 2004.          
  41. Mutlu, A., Karabulut, H., Özalaybey, S., Kiratzi, A., Aktar, M., Roumelioti, R., Bernatos, R., Tapırdamaz, C., “The  2003 Saros  earthquake sequence, north east aegean region”, ESC-AGU Annual General Meeting, Nice, France, 2004.          
  42. Roumelioti, Z. Kiratzi, A. , Benetatos , C., Aktar , M, Karabulut, H., Theodulis, G., Örgülü, G., “Source process of normal earthquakes, the 3 February 2002, M=6.3, Afyon Turkey and the 7 September 1999, M=5.9 Athens Greece earthquakes”, 5th Conference on case Histories on Geotechnical Engineering, New York, 2004.          
  43. Gorgun, E and M. Aktar, Calibration of local magnitude scale using broadband stations, Kocaeli Earthq. Symposium, Kocaeli, March 2005          
  44. Koseoglu, A and M. Aktar, Spectral Properties of seismic noise at broadband stations, Kocaeli Earthq. Symposium, Kocaeli, March 2005          
  45. Bekler, f.  and M. Aktar, Searching for optimal crustal model using waveforms from local earthquakes, Kocaeli Earthq. Symposium, Kocaeli, March 2005          
  46. Ergin, M., S. Ozalaybey, H. Karabulut, M. Aktar, S. Çetin, C. Tapirdamaz, A. Yörük, and F. BiçmenSeismicity of the Marmara Sea, revised earthquake hypocenters and properties  of the North Anatolian Fault on the Marmara Sea, NW Turkey , Interational Symposium on the geodynamics of the Eastern Mediterranean, Istanbul, June 2005          
  47. Bouchon, M., Karabulut H., Aktar, M. and M.P. Bouin, Investigation of the spacial variability of the strong ground motion using spacial arrays, Interational Symposium on the geodynamics of the Eastern Mediterranean, Istanbul, June 2005          
  48. Aksari D., Hayrullah Karabulut, Serdar Özalaybey, and Mustafa Aktar, The Stress triggereing analysisi of december 15, 2000 and February 3 Sultandag -Afyon Earthquake sequences, Interational Symposium on the geodynamics of the Eastern Mediterranean, Istanbul, June 2005          
  49. Afacan, T., Karabulut, H., Ozalaybey, S., Dietriech, M., Cetin, S., Gurbuz, C., AKtra, M., and M. Bouchon, A tomographic image of the fault zone on the North ANatolian Fault, Interational Symposium on the geodynamics of the Eastern Mediterranean, Istanbul, June 2005          
  50. Örgülü, G., Yolsal, S., Taymaz, T., Aktar, M. and Huang, B.S., 2006. Rupture Analysis of December 10, 2003 Chengkung, Taiwan Earthquake (Mw 6.5) Based On Teleseismic and Strong Motion Data Sets, in: First European Conference on Earthquake Engineering and Seismology and 30th General Assembly og the European Seismological Commission, SC-C1: Earthquake Source Complexity: From Geology Through Kinematic and Dynamic Models to Realistic Ground Motion Simulations, ID:1742, p.453, 3-8 September 2006, Geneva, Switzerland 2006          
  51. Browitt, B., M. Aktar Vulnerability mapping from 800km: including gmesterrafirma project results for Istanbul, First Conference on Earthquake Engineering and Seismology, Geneva Switzerland, 3-6 September 2006         
  52. Bouchon, Michel., Hayrullah Karabulut, Serdar Ozalabey, Guillaume Daniel, Mustafa Aktar, David Marsan, Marie-Paule Bouin, Jean Schmittbuhl ,Some aspects of stress and seismicity during the Izmit/Duzce sequence, Workshop Drilling the North Anatolian Fault, Istanbul, Turkey, 24-28 April 2007          
  53. M. Aktar, H. Karabulut, F. Bulut1, G. Örgülü, D. Childs, M.P Bouin, M.Bouchon, ,Some aspects of stress and seismicity during the Izmit/Duzce sequence, Workshop Drilling the North Anatolian Fault, Istanbul, Turkey, 24-28 April 2007          
  54. Bohnhoff, Marco., Fatih Bulut, Georg Dresen, Ethem Görgün, Michael Naumann, Mustafa Aktar, Hayrullah Karabulut, Dresen Georg., Mustafa Aktar, Marco Bohnhoff, Haluk Eyidoğa, Drilling the North Anatolian Fault , Workshop Drilling the North Anatolian Fault, Istanbul, Turkey, 24-28 April 2007          
  55. Paul, A., Hatzfeld, D., Karabulut, H., Hatzidimitriou, P., Childs, D., Nikolova, S., Péquegnat, C., Hubans, F., Schmid, A., Aktar, M., Mutlu, A., Afaçan, T., Ozakin, Y., Samut, D., Papazachos, C., Karagianni, I., Kementztzidou, D., Karagianni, E., Roumelotis, Z., Vamvakaros, D., Scordilis, M., Lyon-Caen, H., The SIMBAAD Experiment in W-Turkey and Greece: A Dense Seismic Network to Study the Crsutal and Mantle Structures, A.G.U. Fall meeting, San-Francsico, December 2008
  56. Ozakin Y, and Aktar, M, The Moho Topography of Turkey inferred from Receiver Functions, ESC Meeting Crete, 2008
  57. Paul, A., Hatzfeld, D., Karabulut, H., Hatzidimitriou, P., Childs, D., Nikolova, S., Péquegnat, C., Hubans, F., Schmid, A., Aktar, M., Mutlu, A., Afaçan, T., Ozakin, Y., Samut, D., Papazachos, C., Karagianni, I., Kementztzidou, D., Karagianni, E., Roumelotis, Z., Vamvakaros, D., Scordilis, M., Lyon-Caen, H., The SIMBAAD Experiment in W-Turkey and Greece: A Dense Seismic Network to Study the Crsutal and Mantle Structures, IASPEI, Cape Town, January 9-18, 2009          
  58. Aktar, M.,  , Georg DRESEN, Marco BOHNHOFF, Fatih BULUT,  Birsen CAN, Dean Childs, High Resolution Seismic Observations and  plan for Deep Geophysical Observatory on the North Anatolian Fault, 17 August 1999 Izmit Earthquake: 10th Anniversary Meeting, ITU, Istanbul, 2009  
  59. Aktar, M.,  , Bouchon, M., Karabulut H., Aktar, M.   M.P. Bouin, Georg DRESEN, Marco BOHNHOFF, Fatih BULUT,  Birsen CAN, Dean Childs , Observations Sismologiques dans le Bassin de Çınarcık Colloque scientifique à l’Université de Strasbourg  La Faille Nord Anatolienne, Histoire d’une rupture sismique  28-29 Janvier 2010          
  60. Aktar, M.,  Development of Science as an Institution in the Ottoman Empire and the Turkish Republic International Workshop: “IT, Society and Culture in Turkey and Japan”  Boğaziçi University, March 2010          
  61. Aktar, M.,  , Bouchon, M., Karabulut H., Aktar, M.   M.P. Bouin, Georg DRESEN, Marco BOHNHOFF, Fatih BULUT,  Birsen CAN, Dean Childs The Izmit Earthquake (1999) and Marmara Faults near Istanbul:what we know after 10 years of research Advanced Workshop on Geophysics, Geodesy and Tectonics of the North Africa Plate Boundary Algiers, Algeria 15 – 21 May 2010          
  62. Aktar, M.,  , Bouchon, M., What do the 1999 Izmit and Düzce earthquakes tell us about the mechanics of the North Anatolian fault ? ESC European Seismological Commissio  32nd General Assembly , Montpellier France,  6-10 September 2010         
  63. Yelkenci, S., Modelling 3D seismic wave propogation in Marmara region, ESC European Seismological Commission  32nd General Assembly , Montpellier France,  6-10 September 2010          
  64. Aktar, M.,  , Experiments for Modelling the Unknown Aspects of Ground Motion for Istanbul City, Seismic Risk Management in Urban Areas A Turkish-Iranian-American Workshop, Hotel Novotel Istanbul – Zeytinburnu, December 14-16, 2010          
  65. Aktar Mustafa, Bouchon, M., Karabulut, H, M., özalaybey, S., Schmitbuhl, J., Bouin, MP, Discussion on Location Accuracy and oversampling: examples from foreshocks of Izmit EQ  1999 (30), Liebenberg Workshop: Natural and Induced (Micro)Seismicity 17/18 February 2011Karabulut, Dean Childs, Yaman Özakin, Seismotectonic setting of the Izmit/Marmara segment of the North Anatolian Fault after the 1999 Izmit earthquake, Workshop Drilling the North Anatolian Fault, Istanbul, Turkey, 24-28 April 2007