SEISMICITY CHARACTERISTICS OF BEIHUANGHAI M_L5.1 EARTHQUAKE IN 2003
Sui Yu-peng
Abstract
Sui Yu-peng
Abstract
It was analyzed that seismicity background,earthquake sequence,seismicity pattern of moderate-small earthquake around epicenter and seismology parameter of Beihuanghai M_L5.1 earthquake in 2003.The result shows that the earthquake sequence is mainly foreshock-mainshock-aftershock type and goes through a process of activity-quiescencehappening earthquake,appears seismogenic gap around the epicenter as well as some seismicity parameter anomalies before this earthquake.
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It was analyzed that seismicity background,earthquake sequence,seismicity pattern of moderate-small earthquake around epicenter and seismology parameter of Beihuanghai M_L5.1 earthquake in 2003.The result shows that the earthquake sequence is mainly foreshock-mainshock-aftershock type and goes through a process of activity-quiescencehappening earthquake,appears seismogenic gap around the epicenter as well as some seismicity parameter anomalies before this earthquake.
Key concepts: Induced seismicity, Foreshock, Seismology, Aftershock, Epicenter, Geology, Seismic gap, Seismic microzonation