Relationship Between Seismic Moment and Source Duration for Seismogenic Earthquakes in Taiwan: Implications for the Product of Static Stress Drop and the Cube of Rupture Velocity

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题名:	Relationship Between Seismic Moment and Source Duration for Seismogenic Earthquakes in Taiwan: Implications for the Product of Static Stress Drop and the Cube of Rupture Velocity
作者:	Hwang, RD (Hwang, Ruey-Der) Ho, CY (Ho, Cheng-Ying) Lin, TW (Lin, Tzu-Wei) Chang, WY (Chang, Wen-Yen) Huang, YL (Huang, Yi-Ling) Lin, CY (Lin, Cai-Yi) Lin, CY (Lin, Chiung-Yao)
贡献者:	地質系
关键词:	Source duration seismic moment teleseismic P waves rupture velocity static stress drop
日期:	2020-07
上传时间:	2020-12-11 15:08:25 (UTC+8)
摘要:	A systematic analysis of the source duration (tau) and seismic moment (M-0) for seismogenic earthquakes (M-W 5.5-7.1) in the Taiwan region was completed by using a teleseismic P-wave inversion method. Irrespective of the source self-similarity, the M-0-tau relationship derived in this study had a power-law form, namely M-0 proportional to tau(3), under the assumption that Delta sigma Vr3 is constant following a circular fault model (Delta sigma: static stress drop; V-r: rupture velocity). For Taiwan's earthquakes, the derived M-0-tau relationship not only provides information to predict the source duration of large earthquakes, but also probes the rupture features of seismogenic earthquakes. That is, there are different rupture patterns for earthquakes, but the product Delta sigma Vr3 remains nearly constant.
關聯:	PURE AND APPLIED GEOPHYSICS 卷冊: 177 期: 7 頁數: 3191-3203
显示于类别:	[地質系] 期刊論文

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