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Source parameters estimation from broadband regional seismograms for earthquakes in the Aegean region and the Gorda plate

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A. Agalos, P. Papadimitriou, N. Voulgaris, K. Makropoulos
A. Agalos, P. Papadimitriou, N. Voulgaris, K. Makropoulos

Abstract


Seismic moment tensors are estimated for earthquakes offshore Northern California and Greece using inversion of regionally recorded broadband seismograms. This study includes inversion results for the strongest events that occurred inside the Gorda plate and near the Mendocino triple junction from 1991 to 2005. The regional results are in good agreement with obtained teleseismic results. We finally applied the moment tensor inversion methodology and validation mainly to moderate sized earthquakes, with magnitude greater than M~4.0, in the Aegean area. The focal mechanisms of HI earthquakes that occurred during the time period between June 2003 and March 2007 were estimated using this procedure.


Keywords


Regional waveform modeling; moment tensor inversion; Gorda Plate

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Copyright (c) 2018 A. Agalos, P. Papadimitriou, N. Voulgaris, K. Makropoulos

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