重庆巫溪地区2012年1—2月有感地震动观测
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摘要
2012年1月12日至2月22日,重庆巫溪地区发生一系列ML2.0—3.0地震,对其中重庆市测震台网记录的ML2.1、ML2.3及ML3.2地震,从台网地震监测能力、记录波形特征及地质构造等方面进行研究,认为ML2.1地震为岩溶地区塌陷,ML2.3、ML3.2地震为构造地震;而对重庆市测震台网未监测记录到的几次有感震动,认为是岩溶塌陷洞室垮塌所致。
During the period from January 12 to February 22, 2012, a series of ML 2.0-3.0 earthquake occurred in Chongqing Wuxi area, to the earthquake of ML 2.1, ML 2.3 and ML 3.2 recorded by Chongqing Seismic Network, from seismic monitoring network capacity, recording of waveform characteristics and geological structure, the author draw a conclusion that ML 2.1 earthquake as karst collapse, ML 2.3, ML 3.2 earthquake as tectonic earthquake, and to the several times sense of shock which were not recorded by Chongqing seismic network, is the underground karst collapse caused by collapse.
引文
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