Asia
- Maps of Asia
- Boso Peninsula (Japan)
- Chelungpu (Taiwan)
- Dead Sea (Israel)
- Donghai (China)
- Hanoi (Vietnam)
- Koyna (India)
- Lake Baikal (Russia)
- Lake Biwa (Japan)
- Lake El'gygytgyn (Russia)
- Lake Issyk-Kul (Kyrgyzstan)
- Lake Nam Co (China)
- Lake Qinghai (China)
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- Lake Van (Turkey)
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- North Anatolian Fault (Turkey)
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- Yangtze Craton (China)
- Geologic age: Quaternary
- Number of drillsites (drillholes): 5(5)
- Drilled length: 1700.0 M
- Cored length: 0 M
- Core recovered, length: 0 M
- Core recovered length / Cored length: 0%
- Core recovered / Drilled length: 0%
Co-Operating Principal Investigators
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Http://www.gonaf-network.org/ (External Web)
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Http://www.gonaf.de/ (External Web)
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Http://nafz.icdp-online.org/ (Icdp Web)
- Project Link
Project Link - GONAF – A deep Geophysical Observatory at the North Anatolian Fault
Please use only this URL in any kind of publication (papers, posters, flyers, citations etc.). Only this URL can be guaranteed to be persistent over coming relaunches of the Web Site.
- Daily News
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2012-09-13
We had small mud losses this morning (1 m3). The ...2012-09-13 postedWe 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.
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2012-09-12
30 m, low Rate Of Penetration of less 1 m/hr, ...2012-09-12 posted30 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
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- Gallery
- PublicationsPublications by year, most recent first: ▼Only selected publications are shown.Süer, S.; Wiersberg, T.; Güleç, N.; Erzinger, J.; Parlaktuna, M. (2020):Real-time Gas Monitoring At The Tekke Hamam Geothermal Field (Western Anatolia, Turkey): An Assessment In Relation To Local Seismicity doi:10.1007/s11069-020-04238-8Natural Hazards 104 1655-1678Martínez-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.2019.228176Tectonophysics 768 11Geli, 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):Nature Scientific ReportsNajdahmadi, 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 65Bohnhoff, 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 41Bohnhoff, 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-22-19-2017Scientific Drilling 22 19-28Bohnhoff, M.; Wollin, C.; Domigall, D.; Küperkoch, L.; Martinez-Garzon, P.; Kwiatek, G.; Dresen, G.H.; Malin, P.E. (2017):Geophysical Journal International 210(1) 332?339Raub, C. (2017):Characterizing Near-Surface Velocity And Attenuation Structures And Evaluating Spatiotemporal B-Value Variations In The Marmara Sea Region. doi:Dissertation University BerlinRaub, 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.2017.05.028Tectonophysics 712-713 232-248Bohnhoff, 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:10.1002/2015GL064208European Geophysical Society, Geophysical Research Abstracts 19 6743Najdahmadi, B.; Bohnhoff, M.; Ben-Zion, Y. (2016):Bimaterial Interfaces At The Karadere Segment Of The North Anatolian Fault, Northwestern Turkey. doi:10.1002/2015JB012601Journal Of Geophysical Research B: Solid Earth 121(2) 931-950Bohnhoff, 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.2016.07.029Tectonophysics 686 132?145Bohnhoff, 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.2016.02.028Tectonophysics 674 147-165Raub, 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:10.1785/0120150216Bulletin Of The Seismological Society Of America 106(3) 912?927Prevedel, 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/s00531-015-1147-5International Journal Of Earth Sciences 104(6) 1537-1547Ickrath, 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 BerlinIckrath, 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/ggv273Geophysical Journal International 202(3) 2120-2132Stierle, E. (2015):Non-Double-Couple Components In Moment Tensors Of Aftershock Seismicity And Laboratory Earthquakes. doi:Dissertation Free University BerlinAcarel, D. (2015):Dissertation Free University BerlinBohnhoff, 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 17Raub, C.; Malin, P.E.; Bohnhoff, M.; Bulut, F.; Dresen, G.H.; Kilic, T.; Kartal, R.F.; Kadirioglu, F.T.; Nurlu, M. (2014):American Geophysical Union Abstracts With Programs 2014 T11F-07Bulut, 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 15398Ickrath, 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/ggt409Geophysical Journal International 196(2) 951-956Stierle, 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/ggt503Geophysical Journal International 196(3) 1878-1888Stierle, 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/ggt502Geophysical Journal International 196(3) 1869-1877Irmis, 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) 12-2Acarel, 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:10.1785/0120130160Bulletin Of The Seismological Society Of America 104(4) 1954-1963Bohnhoff, 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 37-38Bohnhoff, 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 45-46Eken, T.; Bohnhoff, M.; Bulut, F.; Can, B.; Aktar, M. (2013):Crustal Anisotropy In The Eastern Sea Of Marmara Region In Northwestern Turkey. doi:10.1785/0120120156Bulletin Of The Seismological Society Of America 103(2A) 911-924Bohnhoff, M.; Bulut, F.; Dresen, G.H.; Malin, P.E.; Eken, T.; Aktar, M. (2013):Nature Communications 4(1999) 1Bohnhoff, 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 EGU2013-8574Bulut, 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.2012.02.001Earth And Planetary Science Letters 327-328 17-22Bohnhoff, 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.01.01.1In: Huettl, R., Raiser, B., System Erde 1.1Bulut, F.; Ellsworth, W.L.; Bohnhoff, M.; Aktar, M.; Dresen, G.H. (2011):Spatiotemporal Earthquake Clusters Along The North Anatolian Fault Zone Offshore Istanbul. doi:10.1785/0120100215Bulletin Of The Seismological Society Of America 101(4) 1759-1768Bohnhoff, M.; Bulut, F.; Aktar, M.; Dresen, G.H. (2011):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.2009.07.012Tectonophysics 482(1-4) 170-181Hergert, T.; Heidbach, O. (2010):Slip-rate Variability And Distributed Deformation In The Marmara Sea Fault System. doi:10.1038/ngeo739Nature Geoscience 3 132-135Bulut, 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:10.1029/2008JB006244Journal Of Geophysical Research 114 B09302Dresen, G.H.; Bohnhoff, M.; Aktar, M.; Eyidogan, H.; Ito, H. (2009):IODP/ICDP Kolloquium 2009 45Bohnhoff, 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_7New Frontiers In Integrated Solid Earth Sciences 261-285Görgün, 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.2009.04.027Tectonophysics 474(3-4) 507-515Janssen, 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.2008.09.010Journal Of Structural Geology 31(1) 11-28Bohnhoff, 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-14-85-2008Advances In Geosciences 14 85-92Dresen, G.H.; Bohnhoff, M.; Aktar, M.; Eyidogan, H. (2008):Scientific Drilling 6 58-59Dresen, G.H.; Aktar, M.; Bohnhoff, M.; Eyidogan, H. (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 42-44Bulut, F.; Aktar, M. (2007):Accurate Relocation Of Izmit Earthquake (Mw = 7.4, 1999) Aftershocks In Çinarcik Basin Using Double Difference Method. doi:10.1029/2007GL029611Geophysical Research LettersBulut, 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:10.1029/2007GL031154Geophysical Research LettersBohnhoff, 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.xGeophysical Journal International 373-385
- WorkshopsGONAF 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
