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Examples of Simultaneous Appearance of Deformations of the Earth’s Crust with Hour-long Period and Earthquakes
Doklady Earth Sciences ( IF 0.9 ) Pub Date : 2020-03-01 , DOI: 10.1134/s1028334x20030198
G. A. Sobolev

Abstract Records from broadband seismic station AAK located on Kirgiz Ridge, Tien Shan, are presented. The episodes of discrepancy between tectonic displacements and tidal oscillations are registered and compared with the timing of local earthquakes of energy class of K > 11 which occurred during 2000–2018. Several times the tectonic anomalies and the earthquakes occurred on the same day. Comparison with the meteorological data is carried out. The following physical mechanism of this phenomenon is suggested. The records of the broadband seismic station reflect gravity variations and vertical ground deformations caused by the displacements of air masses. This process initiates slow movements and earthquakes near unstable faults.

中文翻译:

地壳变形与小时周期和地震同时出现的例子

摘要 介绍了位于天山柯尔克孜岭的宽带地震台站 AAK 的记录。记录了构造位移和潮汐振荡之间的差异事件,并与 2000 年至 2018 年期间发生的 K > 11 能量级局部地震的时间进行了比较。多次构造异常与地震发生在同一天。与气象数据进行比较。提出了这种现象的以下物理机制。宽带地震台的记录反映了由气团位移引起的重力变化和垂直地面变形。这个过程会在不稳定断层附近引发缓慢的运动和地震。
更新日期:2020-03-01
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