Progress report
| 
31 May 2017
Progress report |
| 31 May 2017
GONAF – the borehole Geophysical Observatory at the North Anatolian Fault in the eastern Sea of Marmara
GFZ German Research Centre for Geosciences, Section 4.2
“Geomechanics and Rheology”, Potsdam, 14473, Germany
Free University Berlin, Department of Earth Sciences, Berlin,
12249, Germany
Georg Dresen
GFZ German Research Centre for Geosciences, Section 4.2
“Geomechanics and Rheology”, Potsdam, 14473, Germany
Ulubey Ceken
AFAD Disaster and Emergency Management Presidency,
Earthquake Department Ankara, 06510, Turkey
Filiz Tuba Kadirioglu
AFAD Disaster and Emergency Management Presidency,
Earthquake Department Ankara, 06510, Turkey
Recai Feyiz Kartal
AFAD Disaster and Emergency Management Presidency,
Earthquake Department Ankara, 06510, Turkey
Tugbay Kilic
AFAD Disaster and Emergency Management Presidency,
Earthquake Department Ankara, 06510, Turkey
Murat Nurlu
AFAD Disaster and Emergency Management Presidency,
Earthquake Department Ankara, 06510, Turkey
Kenan Yanik
AFAD Disaster and Emergency Management Presidency,
Earthquake Department Ankara, 06510, Turkey
Digdem Acarel
GFZ German Research Centre for Geosciences, Section 4.2
“Geomechanics and Rheology”, Potsdam, 14473, Germany
Fatih Bulut
GFZ German Research Centre for Geosciences, Section 4.2
“Geomechanics and Rheology”, Potsdam, 14473, Germany
Hisao Ito
Japan Agency for
Marine-Earth Science and Technology (JAMSTEC), Yokohama, 236-0001, Japan
Wade Johnson
UNAVCO, Boulder, Colorado 80301, USA
Peter Eric Malin
GFZ German Research Centre for Geosciences, Section 4.2
“Geomechanics and Rheology”, Potsdam, 14473, Germany
Dave Mencin
UNAVCO, Boulder, Colorado 80301, USA
Abstract. The Marmara section of the North Anatolian Fault Zone (NAFZ) runs under water and is located less than 20 km from the 15-million-person population center of Istanbul in its eastern portion. Based on historical seismicity data, recurrence times forecast an impending magnitude M>7 earthquake for this region. The permanent GONAF (Geophysical Observatory at the North Anatolian Fault) has been installed around this section to help capture the seismic and strain activity preceding, during, and after such an anticipated event.
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How to cite. Bohnhoff, M., Dresen, G., Ceken, U., Kadirioglu, F. T., Kartal, R. F., Kilic, T., Nurlu, M., Yanik, K., Acarel, D., Bulut, F., Ito, H., Johnson, W., Malin, P. E., and Mencin, D.: GONAF – the borehole Geophysical Observatory at the North Anatolian Fault in the eastern Sea of Marmara, Sci. Dril., 22, 19–28, https://doi.org/10.5194/sd-22-19-2017, 2017.
Short summary
GONAF (Geophysical Observatory at the North Anatolian Fault) has been installed around the eastern Sea of Marmara section where a M>7 earthquake is pending to capture the seismic and strain activity preceding, during, and after such an anticipated event. GONAF is currently comprised of seven 300 m deep vertical seismic profiling stations and four collocated 100 m deep borehole strain meters. GONAF is the first ICDP-driven project with a primary focus on long-term fault-zone monitoring.
GONAF (Geophysical Observatory at the North Anatolian Fault) has been installed around the...