Variation of shearwave splitting in earthquake clusters with very similar waveforms |
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| Authors: | WAGN Kei-de KKlinge F Kruger Tlenefishch |
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| Institution: | (1) Institute of Geophysics, China Seismological Bureau, 100081 Beijing, China;(2) Graefenberg Central Seismological Observation, 91054 Erlangen, Germany |
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| Abstract: | Among the records of aftershock observation of the 1991 Datong, China ML=5.8 earthquake, very similar waveforms from clusters of small earthquakes were found. Cross-correlation of the waveforms of each pair in the cluster confirmed the similarities. Re-sample technology is used to improve the sampling rate, which is helpful to distinguish the small variation of shear wave splitting. The variation of shear wave splitting could be found directly from seismograms of each pair in a cluster. |
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| Keywords: | earthquake cluster shearwave splitting Datong |
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