胶东及其近海地震活动特征和近期趋势分析  

SEISMICITY CHARACTERISTICS AND SHORT-TERM TENDENCY ANALIZATION IN THE JIAODONG AND ITS INSHORE AREA

作　　者：李人杰 刘西林[2] 华爱军[2] 李红[2] 

机构地区：[1]长岛地震台,山东长岛265800 [2]山东省地震局,山东济南250014

出　　处：《东北地震研究》2002年第4期23-29,共7页Seismological Research of Northeast China

摘　　要：利用测震学时空扫描方法,结合地质活动构造,对胶东及北部海域地震活动特征及近期地震活动趋势进行了分析研究,结果表明:该区4～5级地震有5a左右周期性,本区中等地震或外围强震前,地震活动性参数出现异常现象;据统计预测及地震学异常认为,该区近期仍有发生5级左右地震的可能。By means of seismometry time-space scanning and active structurss analyses,the seismic activity and tendency in the near future in the Jiaodong and its in shore area are studiedThe result shows that earthquakes (4≤Ms≤5) have a cycle of about 5 yearsPrior to medium earthquakes in this area and strong earthquakes on the periphery,seismicty parameters become abnormallyBy analysing the statistics and seismic anomolies,it is inferred that an earthquake about M5 will occur in this area in the near future

关 键 词：地震活动性 地质活动构造 山东 郯庐断裂带 灰色拓扑预测 

分 类 号：P315.5[天文地球—地震学]