Long-period surface motion of the multi-patch Mw9.0 Tohoku-Oki earthquake
作者： Panos A. Psimoulis , Nicolas Houlié , Clotaire Michel , Michael Meindl , Markus Rothacher
DOI: 10.1093/GJI/GGU302
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摘要: We show that it is possible to capture the oscillatory ground motion induced by Tohoku-Oki event for periods ranging from 3 100s using Precise Point Positioning (PPP). find motions of sedimentary basins Japan were large (respectively > 0.15m/s and >0.15m/s2 velocity acceleration) even larger than 3s. compare geodetic observables with a Ground Motion Prediction Equation (GMPE) designed seismicity Spectral Acceleration (SA) well estimated 3s distances 100 500km. At last, through analysis displacement attenuation plots, we 2011 likely composed multiple rupture patches as suggested before time-reversal inversions seismic data.
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