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Project Link - GONAF – A deep Geophysical Observatory at the North Anatolian Fault

http://nafz.icdp-online.org

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- 2012-09-13
  
  We had small mud losses this morning (1 m3). The ...
  
  2012-09-13 posted
  We had small mud losses this morning (1 m3). The ...
  
  We had small mud losses this morning (1 m3). The ...
  
  Image: These cutting samples are taken this morning. It is 35 m depth. Cuttings show perfect carbonate crystals in the sample, indicating that we are intersecting small fractures.
- 2012-09-12
  
  30 m, low Rate Of Penetration of less 1 m/hr, ...
  
  2012-09-12 posted
  30 m, low Rate Of Penetration of less 1 m/hr, ...
  
  30 m, low Rate Of Penetration of less 1 m/hr, ...
  
  Image: Drilling Start Up
Gallery
Turkey, 2013
Publications

All ICDP-related Publications

Publications by year, most recent first: ▼

Only selected publications are shown.

Martínez-Garzón, P.; Ben-Zion, Y.; Zaliapin, I.; Bohnhoff, M. (2019):

Seismic Clustering In The Sea Of Marmara: Implications For Monitoring Earthquake Processes. doi:10.1016/j.tecto.2019.228176

Tectonophysics 768 11

Geli, L.; Henry, P.; Grall, C.; Tary, J.B.; Lomax, A.; Batsi, E.; Riboulot, V.; Cros, E.; Gürbüz, C.; Isik, S.E.; Sengör, A.M.C.; Le Pichon, X.; Ruffine, L.; Dupre, S.; Thomas, Y.; Kalafat, D.; Bayrakci, G.; Coutellier, Q.; Regnier, T.; Westbrook, G.; (2018):

Gas And Seismicity Within The Istanbul Seismic Gap. doi:10.1038/s41598-018-23536-7

Nature Scientific Reports

Najdahmadi, B.; Bohnhoff, M.; Ben-Zion, Y.; Görgün, E.; Alp, H.; Yalcinkaya, E. (2018):

Ganos Fault Zone Network: Imaging North Anatolian Fault Zone In The Western Marmara Region, Turkey, Based On A Dense Local Seismic Network. doi:

IODP/ICDP Kolloquium 2018 65

Bohnhoff, M.; Dresen, G.H.; Ceken, U.; Kadarioglu, F.T.; Kartal, R.F.; Kilic, T.; Nurlu, M.; Yanik, K.; Acarel, D.; Bulut, F.; Ito, H.; Johnson, W.; Malin, P.E.; Mencin, D. (2017):

GONAF - A Borehole Geophysical Observatory Around The North Anatolian Fault In The Eastern Sea Of Marmara. doi:

IODP/ICDP Kolloquium 2017 41

Bohnhoff, M.; Dresen, G.H.; Ceken, U.; Kadarioglu, F.T.; Kartal, R.F.; Kilic, T.; Nurlu, M.; Yanik, K.; Acarel, D.; Bulut, F.; Ito, H.; Johnson, W.; Malin, P.E.; Mencin, D. (2017):

GONAF - The Borehole Geophysical Observatory At The North Anatolian Fault In The Eastern Sea Of Marmara. doi:10.5194/sd-22-19-2017

Scientific Drilling 22 19-28

Bohnhoff, M.; Wollin, C.; Domigall, D.; Küperkoch, L.; Martinez-Garzon, P.; Kwiatek, G.; Dresen, G.H.; Malin, P.E. (2017):

Repeating Marmara Sea Earthquakes: Indication For Fault Creep. doi:10.1093/gji/ggx169

Geophysical Journal International 210(1) 332?339

Raub, C. (2017):

Characterizing Near-Surface Velocity And Attenuation Structures And Evaluating Spatiotemporal B-Value Variations In The Marmara Sea Region. doi:

Dissertation University Berlin

Raub, C.; Martinez-Garzon, P.; Kwiatek, G.; Bohnhoff, M.; Dresen, G.H. (2017):

Variations Of Seismic B-value At Different Stages Of The Seismic Cycle Along The North Anatolian Fault Zone In Northwestern Turkey. doi:10.1016/j.tecto.2017.05.028

Tectonophysics 712-713 232-248

Bohnhoff, M.; Dresen, G.H.; Ceken, U.; Kadarioglu, F.T.; Kartal, R.F.; Kilic, T.; Nurlu, M.; Yanik, K.; Acarel, D.; Bulut, F.; Ito, H.; Johnson, W.; Malin, P.E.; Mencin, D. (2017):

GONAF-A Borehole Geophysical Observatory Around The North Anatolian Fault In The Eastern Sea Of Marmara. doi:10.1002/2015GL064208

European Geophysical Society, Geophysical Research Abstracts 19 6743

Najdahmadi, B.; Bohnhoff, M.; Ben-Zion, Y. (2016):

Bimaterial Interfaces At The Karadere Segment Of The North Anatolian Fault, Northwestern Turkey. doi:10.1002/2015JB012601

Journal Of Geophysical Research B: Solid Earth 121(2) 931-950

Bohnhoff, M.; Ickrath, M.; Dresen, G.H. (2016):

Seismicity Distribution In Conjunction With Spatiotemporal Variations Of Coseismic Slip And Postseismic Creep Along The Combined 1999 Izmit-Düzce Rupture. doi:10.1016/j.tecto.2016.07.029

Tectonophysics 686 132?145

Bohnhoff, M.; Martinez-Garzon, P.; Bulut, F.; Stierle, E.; Ben-Zion, Y. (2016):

Maximum Earthquake Magnitudes Along Different Sections Of The North Anatolian Fault Zone. doi:10.1016/j.tecto.2016.02.028

Tectonophysics 674 147-165

Raub, C.; Bohnhoff, M.; Petrovic, B.; Parolai, S.; Malin, P.E.; Yanik, K.; Kartal, R.F.; Kilic, T. (2016):

Seismic Wave Propagation In Shallow Layers At The GONAF-Tuzla Site, Istanbul, Turkey. doi:10.1785/0120150216

Bulletin Of The Seismological Society Of America 106(3) 912?927

Prevedel, B.; Bulut, F.; Bohnhoff, M.; Raub, C.; Kartal, R.F.; Alver, F.; Malin, P.E. (2015):

Downhole Geophysical Observatories: Best Installation Practices And A Case History From Turkey. doi:10.1007/s00531-015-1147-5

International Journal Of Earth Sciences 104(6) 1537-1547

Ickrath, M. (2015):

Spatiotemporal Variations Of The Local Stress Field And Fault Asperities At The North Anatolian Fault In NW Turkey Analysed Based On Microseismic Recordings. doi:

Dissertation Free University Berlin

Ickrath, M.; Bohnhoff, M.; Dresen, G.H.; Martinez-Garzon, P.; Bulut, F.; Kwiatek, G.; Germer, O. (2015):

Detailed Analysis Of Spatiotemporal Variations Of The Stress Field Orientation Along The Izmit-Düzce Rupture In NW Turkey From Inversion Of First-motion Polarity Data. doi:10.1093/gji/ggv273

Geophysical Journal International 202(3) 2120-2132

Stierle, E. (2015):

Non-Double-Couple Components In Moment Tensors Of Aftershock Seismicity And Laboratory Earthquakes. doi:

Dissertation Free University Berlin

Acarel, D. (2015):

Characterization Of The Crustal Velocity Field In Space And Time Using Ambient Seismic Noise. doi:

Dissertation Free University Berlin

Bohnhoff, M.; Dresen, G.H.; Raub, C.; Kilic, T.; Kartal, R.F.; Kadirioglu, F.T.; Nurlu, M.; Bulut, F.; Malin, P.E.; Ito, H. (2015):

Downhole Seismic Monitoring In The Istanbul/Eastern Sea Of Marmara Region: Recent Results From The ICDP-GONAF Project. doi:

European Geophysical Society, Geophysical Research Abstracts 17

Raub, C.; Malin, P.E.; Bohnhoff, M.; Bulut, F.; Dresen, G.H.; Kilic, T.; Kartal, R.F.; Kadirioglu, F.T.; Nurlu, M. (2014):

Near-surface Properties Using Seismograms From The GONAF-Tuzla Vertical Array, SE Istanbul. doi:

American Geophysical Union Abstracts With Programs 2014 T11F-07

Bulut, F.; Bohnhoff, M.; Dresen, G.H.; Raub, C.; Kilic, T.; Kartal, R.F.; Kadirioglu, F.T.; Nurlu, M.; Ito, H.; Malin, P.E. (2014):

GONAF-A Deep Geophysical Observatory At The North Anatolian Fault: Permanent Downhole Monitoring Of A Pending Major Earthquake. doi:

European Geophysical Society, Geophysical Research Abstracts 16 15398

Ickrath, M.; Bohnhoff, M.; Bulut, F.; Dresen, G.H. (2014):

Stress Rotation And Recovery In Conjunction With The 1999 Izmit Mw 7.4 Earthquake. doi:10.1093/gji/ggt409

Geophysical Journal International 196(2) 951-956

Stierle, E.; Bohnhoff, M.; Vavrycuk, V. (2014):

Resolution Of Non-double-couple Components In The Seismic Moment Tensor Using Regional Networks-II: Application To Aftershocks Of The 1999 Mw 7.4 Izmit Earthquake. doi:10.1093/gji/ggt503

Geophysical Journal International 196(3) 1878-1888

Stierle, E.; Vavrycuk, V.; Sileny, J.; Bohnhoff, M. (2014):

Resolution Of Non-double-couple Components In The Seismic Moment Tensor Using Regional Networks-I: A Synthetic Case Study. doi:10.1093/gji/ggt502

Geophysical Journal International 196(3) 1869-1877

Irmis, R.B.; Mundil, R.; Geissman, J.W.; Kent, D.V.; Olsen, P.E.; Whiteside, J.H. (2014):

New Geochronologic Constraints Allow Comparisons Between Late Triassic Biota And Paleoenvironment From Western And Eastern North America. doi:

American Geophysical Union Abstracts With Programs 6(3) 12-2

Acarel, D.; Bulut, F.; Bohnhoff, M. (2014):

Ambient Noise Analysis In The Eastern Sea Of Marmara Region In Northwest Turkey: Lateral Variations Of The Crustal Velocity Field. doi:10.1785/0120130160

Bulletin Of The Seismological Society Of America 104(4) 1954-1963

Bohnhoff, M.; Dresen, G.H.; Bulut, F.; Raub, C.; Kilic, T.; Kartal, R.F.; Kadirioglu, F.T.; Nurlu, M.; Malin, P.E.; Ito, H. (2014):

Downhole Seismic Monitoring In The Istanbul/Eastern Sea Of Marmara Region: Recent Results From The ICDP GONAF Project. doi:

IODP/ICDP Kolloquium 2014 37-38

Bohnhoff, M.; Dresen, G.H.; Bulut, F.; Raub, C.; Malin, P.E.; Ito, H.; Kilic, T.; Nurlu, M. (2013):

GONAF: A Borehole-based Geophysical Observatory At The North Anatolian Fault Zone In NW Turkey. doi:

IODP/ICDP Kolloquium 2013 45-46

Eken, T.; Bohnhoff, M.; Bulut, F.; Can, B.; Aktar, M. (2013):

Crustal Anisotropy In The Eastern Sea Of Marmara Region In Northwestern Turkey. doi:10.1785/0120120156

Bulletin Of The Seismological Society Of America 103(2A) 911-924

Bohnhoff, M.; Bulut, F.; Dresen, G.H.; Malin, P.E.; Eken, T.; Aktar, M. (2013):

An Earthquake Gap South Of Istanbul. doi:10.1038/ncomms2999

Nature Communications 4(1999) 1

Bohnhoff, M.; Dresen, G.H.; Bulut, F.; Raub, C.; Malin, P.E.; Ito, H. (2013):

GONAF: A Borehole-based Geophysical Observatory At The North Anatolian Fault Zone In NW Turkey. doi:

European Geophysical Society, Geophysical Research Abstracts 15 EGU2013-8574

Bulut, F.; Ben-Zion, Y.; Bohnhoff, M. (2012):

Evidence For A Bimaterial Interface Along The Mudurnu Segment Of The North Anatolian Fault Zone From Polarization Analysis Of P Waves. doi:10.1016/j.epsl.2012.02.001

Earth And Planetary Science Letters 327-328 17-22

Bohnhoff, M.; Bulut, F.; Aktar, M.; Dresen, G.H. (2011):

Das Erdbebenrisiko Einer Megacity: Seismische Überwachung Der Nordanatolischen Verwerfungszone Vor Istanbul Durch Ein Seismometernetz Auf Den Prinzeninseln. doi:10.2312/GFZ.syserde.01.01.1

In: Huettl, R., Raiser, B., System Erde 1.1

Bulut, F.; Ellsworth, W.L.; Bohnhoff, M.; Aktar, M.; Dresen, G.H. (2011):

Spatiotemporal Earthquake Clusters Along The North Anatolian Fault Zone Offshore Istanbul. doi:10.1785/0120100215

Bulletin Of The Seismological Society Of America 101(4) 1759-1768

Bohnhoff, M.; Bulut, F.; Aktar, M.; Dresen, G.H. (2011):

System Erde : Schwerpunkt Naturgefahren Und Frühwarnsysteme. doi:

Görgün, E.; Bohnhoff, M.; Bulut, F.; Dresen, G.H. (2010):

Seismotectonic Setting Of The Karadere-Düzce Branch Of The North Anatolian Fault Zone Between The 1999 Izmit And Düzce Ruptures From Analysis Of Izmit Aftershock Focal Mechanisms. doi:10.1016/j.tecto.2009.07.012

Tectonophysics 482(1-4) 170-181

Hergert, T.; Heidbach, O. (2010):

Slip-rate Variability And Distributed Deformation In The Marmara Sea Fault System. doi:10.1038/ngeo739

Nature Geoscience 3 132-135

Bulut, F.; Bohnhoff, M.; Ellsworth, W.L.; Aktar, M.; Dresen, G.H. (2009):

Microseismicity At The North Anatolian Fault In The Sea Of Marmara Offshore Of Istanbul, NW Turkey. doi:10.1029/2008JB006244

Journal Of Geophysical Research 114 B09302

Dresen, G.H.; Bohnhoff, M.; Aktar, M.; Eyidogan, H.; Ito, H. (2009):

GONAF - A Deep Geophysical Observatory At The North Anatolian Fault. doi:

IODP/ICDP Kolloquium 2009 45

Bohnhoff, M.; Dresen, G.H.; Ellsworth, W.L.; Ito, H. (2009):

Passive Seismic Monitoring Of Natural And Induced Earthquakes: Case Studies, Future Directions And Socio-economic Relevance. doi:10.1007/978-90-481-2737-5_7

New Frontiers In Integrated Solid Earth Sciences 261-285

Görgün, E.; Zang, A.; Bohnhoff, M.; Milkereit, C.; Dresen, G.H. (2009):

Analysis Of Izmit Aftershocks 25 Days Before The November 12th 1999 Düzce Earthquake, Turkey. doi:10.1016/j.tecto.2009.04.027

Tectonophysics 474(3-4) 507-515

Janssen, C.; Bohnhoff, M.; Vapnik, Y.; Görgün, E.; Bulut, F.; Plessen, B.; Pohl, D.; Aktar, M.; Okay, A.; Dresen, G.H. (2009):

Tectonic Evolution Of The Ganos Segment Of The North Anatolian Fault (NW Turkey). doi:10.1016/j.jsg.2008.09.010

Journal Of Structural Geology 31(1) 11-28

Bohnhoff, M.; Bulut, F.; Görgün, E.; Milkereit, C.; Dresen, G.H. (2008):

Seismotectonic Setting At The North Anatolian Fault Zone After The 1999 Mw= 7.4 Izmit Earthquake Based On High-resolution Aftershock Locations. doi:10.5194/adgeo-14-85-2008

Advances In Geosciences 14 85-92

Dresen, G.H.; Bohnhoff, M.; Aktar, M.; Eyidogan, H. (2008):

Drilling The North Anatolian Fault (workshop Report). doi:10.2204/iodp.sd.6.10.2008

Scientific Drilling 6 58-59

Dresen, G.H.; Aktar, M.; Bohnhoff, M.; Eyidogan, H. (2007):

Drilling The North Anatolian Fault. doi:10.2204/iodp.sd.s01.17.2007

Scientific Drilling, Special Issue In: H. Ito, J. Behrmann, S. Hickman, H. Tobin And G. Kimura (eds.) Report From IODP/ICDP Workshop On Fault Zone Drilling, Miyasaki, Japan. 1 42-44

Bulut, F.; Aktar, M. (2007):

Accurate Relocation Of Izmit Earthquake (Mw = 7.4, 1999) Aftershocks In Çinarcik Basin Using Double Difference Method. doi:10.1029/2007GL029611

Geophysical Research Letters

Bulut, F.; Bohnhoff, M.; Aktar, M.; Dresen, G.H. (2007):

Characterization Of Aftershock-fault Plane Orientations Of The 1999 Izmit (Turkey) Earthquake Using High-resolution Aftershock Locations. doi:10.1029/2007GL031154

Geophysical Research Letters

Bohnhoff, M.; Grosser, H.; Dresen, G.H. (2006):

Strain Partitioning And Stress Rotation At The North Anatolian Fault Zone From Aftershock Focal Mechanisms Of The 1999 Izmit Mw= 7.4 Earthquake. doi:10.1111/j.1365-246X.2006.03027.x

Geophysical Journal International 373-385
Workshops
GONAF and PBO Turkey Workshop 2015, Science Meeting
Inselhotel Hermannswerder Potsdam, Germany
May 20, 2015
---Announcement
Drilling the North Anatolian Fault , Turkey - GONAF, Science Meeting
Armada Hotel, Istanbul, Turkey
from April 23 to 27, 2007
---Announcement
---Reports

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ICDPInternational Continental Scientific Drilling Program

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Asia

2012-09-13

2012-09-12

Turkey, 2013