A ten year Moment Tensor database for Western Greece |
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| Institution: | 1. School of Information Science and Technology, Southwest Jiaotong University, Chengdu 611756, China;2. School of Computer Science, Sichuan Technology and Business University, Chengdu 611745, China;3. School of Economics and Management, Southwest Jiaotong University, Chengdu 610031, China;4. Faculty of Information Technology, Ho Chi Minh City University of Technology (HUTECH), Ho Chi Minh City, Vietnam;5. Faculty of Software and Information Science, Iwate Prefectural University, Iwate, Japan;1. Center for Liberal Arts and Sciences, Faculty of Engineering, Toyama Prefectural University, Imizu, Japan;2. Department of Information Systems Engineering, Faculty of Engineering, Toyama Prefectural University, Imizu, Japan;3. NEC Solution Innovators Ltd., Koto, Tokyo, Japan |
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| Abstract: | Moment Tensors (MTs) provide important information for seismotectonic, stress distribution and source studies. It is also important as a real time or near real time information in shakemaps, tsunami warning, and stress transfer. Therefore a reliable and rapid MT computation is a routine task for modern seismic networks with broadband sensors and real-time digital telemetry. In this paper we present the database of Moment Tensor solutions computed during the last ten years in Western Greece by the University of Patras, Seismological Laboratory (UPSL). The data from UPSL broad band network were used together with the ISOLA Moment Tensor inversion package for routine MT calculation. The procedures followed and the comparison of UPSL derived solutions with the ones provided by other agencies for Western Greece region are presented as well. The Moment Tensor database includes solutions for events in the magnitude range 2.8–6.8 and provides a unique insight into the faulting characteristics of Western Greece. Moreover it paves the way for detailed studies of stress tensor and stress transfer. The weak events' Moment Tensor included in UPSL's database are important for the comprehension of local seismotectonics and reveal the role of minor faults, which may be critical in seismic hazard estimation. |
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| Keywords: | Moment Tensor Focal mechanisms Seismotectonics Western Greece |
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