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July 12, 2024-GTU Office of Press and Public Relations
The DAS Server, which will monitor the movements of the North Anatolian Fault Line in the eastern part of the Marmara Sea using fiber optic cables in real-time, begins data flow as part of the MARTEST project. The DAS Server is visited by officials from GTU, Japan, and Türk Telekom, where information is exchanged.
GTU Vice-Rector Prof. Damla Arısan, the project's Japanese leader Prof. Kaneda Yoshiyuki, Türk Telekom Kocaeli Provincial Director Ali Öztürk, and faculty members from GTU's Department of Civil Engineering at the Faculty of Engineering, Prof. Bülent Akbaş, Prof. Selçuk Toprak, Ahmet Anıl Dindar (PhD), Ceren Özer-Sözdinler (PhD), and press members attended the technical visit to the DAS Server, which has been established to monitor the North Anatolian Fault Line under the Project for the Establishment of a Research and Education Complex for Developing Disaster-Resilient Societies.
One of the planned studies within the project is the innovative monitoring of the North Anatolian Fault Line using systems donated by the Japanese government, including the Distributed Acoustic Sensing (DAS) server, which was installed at the Türk Telekom Darıca Data Processing Center in May 2024. The DAS server collects data from two fiber optic cables owned by Türk Telekom, located on the seabed of the Marmara Sea, from Darıca to the south of the Gulf of İzmit. DAS data, a very current method in geosciences, allows the real-time, highly-sensitive monitoring of fault line movements. Successful short-term observational studies have been conducted on DAS data in Türkiye. The DAS server established within the MARTEST project is significant for its continuous data collection from 2024 to 2028 and providing opportunities for joint research between Turkish and Japanese researchers. In addition to DAS data, sensors placed on the seabed (OBS), GNSS, and InSAR data using satellite signals will also be processed together, enabling detailed studies with a holistic approach.
Initial studies on the DAS data obtained from Türk Telekom fiber optic cables since May 20, 2024, have shown that it is possible to detect and monitor tectonic events on the North Anatolian Fault Line passing through the Marmara Sea. A central server established at Gebze Technical University can perform real-time data analyses in synchronization with the DAS server at Türk Telekom Darıca Center.
The "Project for the Establishment of a Research and Education Complex for Developing Disaster-Resilient Societies (SATREPS-MARTEST)," led by Gebze Technical University and part of the SATREPS program created by Japanese JICA-JST institutions, started on June 22, 2022, and has completed its first year. Stakeholders of the MARTEST project include AFAD, Boğaziçi University Kandilli Observatory and Earthquake Research Institute, Middle East Technical University, Yıldız Technical University, Hacettepe University, Afyon Kocatepe University, and Sentez Engineering from the industry.
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