Physics
Scientific paper
May 2011
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2011georl..3809303l&link_type=abstract
Geophysical Research Letters, Volume 38, Issue 9, CiteID L09303
Physics
Seismology: Earthquake Ground Motions And Engineering Seismology (4302), Seismology: Seismic Monitoring And Test-Ban Treaty Verification, Seismology: Seismic Instruments And Networks (0935, 3025)
Scientific paper
We collected the strong-motion accelerograms from thirteen crustal earthquakes in Taiwan recorded by the Taiwan Strong Motion Instrumentation Program (TSMIP) stations to find the empirical relationship between the areas of high initial P-wave displacement and the corresponding earthquake magnitudes. We found that the logarithm of the area has a linear relation to the corresponding earthquake magnitude in Mw for study earthquakes with magnitudes between 5.4 and 6.5. We propose that this relationship might be able to rapidly define earthquake magnitude without knowing the earthquake location in regions with sufficient seismic station coverage and might have practical application in earthquake early warning (EEW) and rapid reporting systems.
Chen Da-Yi
Lin Ting-L.
Wu Yih-Min
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