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A New Method for Imaging Seismic Quiescence and Its Application to the Mw = 8.3 Kurile Islands Earthquake on 15 November 2006
Pure and Applied Geophysics ( IF 1.9 ) Pub Date : 2020-05-08 , DOI: 10.1007/s00024-020-02498-w
Kei Katsumata , Jiancang Zhuang

In the present paper, a new method referred to as the Poisson probability map (PMAP) method is presented for identifying and visualizing seismic quiescence. With the PMAP, the P-value is defined as the probability that consecutive earthquakes occur according to a homogeneous Poisson process: the smaller the P-value, the less frequently the longer time interval is observed, i.e. the more significant the seismic quiescence. The PMAP method was applied to the sequence which preceded the Kurile Islands earthquake that occurred on 15 November 2006 [Mw = 8.3 and the centroid = (154.33 °E, 46.71 °N)]. The seismic quiescence is identified by a small P-value of 9.0 × 10–5 that was found to start in 1990.1, which lasted for 15.4 years and ended in 2005.5 within a circular area centered at (153.8 °E, 47.1 °N) and with a radius of 26 km. This seismic quiescence has not previously been recognized using any other method.

中文翻译:

一种新的地震静止成像方法及其在 2006 年 11 月 15 日 Mw = 8.3 千岛群岛地震中的应用

在本文中,提出了一种称为泊松概率图 (PMAP) 方法的新方法,用于识别和可视化地震静止。对于 PMAP,P 值被定义为根据均匀泊松过程连续发生地震的概率:P 值越小,观测到的时间间隔越少,即地震静止越显着。PMAP 方法应用于 2006 年 11 月 15 日发生的千岛群岛地震之前的序列[Mw = 8.3 和质心 = (154.33 °E, 46.71 °N)]。地震静止由 9.0 × 10-5 的小 P 值识别,该 P 值始于 1990.1,持续了 15.4 年,并于 2005.5 结束,位于以 (153.8 °E, 47.1 °N) 为中心的圆形区域内,并且半径为 26 公里。
更新日期:2020-05-08
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