Fiber Optic Distributed Acoustic Sensing (DAS) System for Active Seismic Monitoring: A Case Study of Seismicity of the Sea of Marmara and its Implications for Hazard Mitigation and Disaster Preparedness

The North Anatolian Fault Zone (NAFZ) includes a segment known as the Marmara segment, which runs through the Sea of Marmara and has been identified as a potential seismic hazard for the region. The most recent major earthquake in the region was the 1999 Mw 7.4 Izmit earthquake, which caused extensive damage and loss of life in the Istanbul metropolitan area.

To understand the behavior of the Marmara segment and improve seismic hazard assessment and mitigation strategies in the region, a R&D project for Earthquake Early Warning was initiated by Istanbul Gas Distribution Industry and Trade Inc (IGDAS) with the support of Istanbul Metropolitan Municipality (IMM) and Energy Markets Regulatory Authority (EMRA). The project started in September 2022 and is expected to be completed in December 2024.

SAMM Teknoloji provides its fiber-optic distributed acoustic sensing system product FOTAS for real-time seismic activity detection and analysis, providing valuable information for earthquake early warning systems. SAMM Teknoloji is also developing artificial intelligence (AI) to analyze the large amounts of data generated by the fiber optic sensors and identify patterns and trends that may indicate seismic activity. The Bogazici University, Kandilli Observatory and Earthquake Research Institute http://www.koeri.boun.edu.tr/new/en is a partner of the project.

Webinar speakers include:

• Bulent Toksoz, Director of R&D and Technology, SAMM Teknoloji
• Erkan Ozkan, Manager of R&D, SAMM Teknoloji
• Tayfun Erkorkmaz, Senior R&D Engineer, SAMM Teknoloji
• Ali Pınar, Bogazici University, Deputy Director of Kandilli Observatory and Earthquake Research Institute
• Mithat Bulent Ozmen Chief Executive Officer & Board Member & İBB Energy Group President (TBC)

Bulent Toksoz has a Bachelor’s degree from the Naval Academy in Control Systems Engineering, and a MS from Boğaziçi University in Computer Engineering. Toksoz  worked in various positions in the Turkish Armed Forces, including NATO ISAF and as a military attaché at the Turkish Embassy in Sofia, Bulgaria. Toksoz  is the Director of R&D and Technology at SAMM Teknoloji.

Erkan Özkan has a Bachelor’s degree from Koç University in Electrical and Electronics Engineering. Özkan worked in TÜBİTAK (Scientific And Technological Research Council of Turkey) BILGEM (Informatics and Information Security Research Center), studied satellite communications and fiber optic distributed detection and started his MS on Photonic Integrated Chips at Koç University last year. Erkan works as Manager of R&D at SAMM Teknoloji.

Tayfun Erkorkmaz has a Bachelor’s degree from Namık Kemal University in Computer Engineering, a MS from Kocaeli University in Computer Engineering, and studied artificial intelligence. Erkorkmaz works as the Senior R&D Engineer at SAMM Teknoloji.

Prof. Ali Pinar has a Bachelor’s degree from the Istanbul University Faculty of Engineering Department of Geophysics, a MS from Istanbul University in Applied Geophysics, and a Ph.D. from Boğaziçi University, Kandilli Observatory and Earthquake Research Institute, Earthquake Engineering Department, Seismology. Dr. Pinar works as the Deputy Director of Kandilli Observatory and Earthquake Research Institute.

Dr. Mithat Bülent Özmen has a Bachelor’s degree from Ankara University in Political Science and Public Administration, a MA from University of Kent, Brussels School of International Studies, and a Ph.D. from Okan University in Banking and Finance. Dr. Özmen is the Chief Executive Officer & Board Member & İBB Energy Group President.

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