%0 Journal Article %T ON TIME-VARYING FEATURES OF SEISMIC INHOMOGENEOUS DEGREE BEFORE STRONG EARTHQUAKE IN DIFFERENT TECTONIC ZONES OF EASTERN CHINA
中国东部不同构造区强震前地震非均匀度时间变化特征研究 %A Lu Peng %A Li Zhixiong %A Wu Ting %A Zhao Xiaoyan %A Liu Xueling %A
路鹏 %A 李志雄 %A 吴婷 %A 赵晓燕 %A 刘学领 %J 大地测量与地球动力学 %D 2007 %I %X We analysed the results of the seismic inhomogeneous degree(GL value)before the 62 strong earthquakes of magnitudes more than 4.7 distributed in the Eastern China calculated by the regionally small earthquake catalogues based on the result of China active block dividing.The results show that there are obviously abnormal variations of the seismic inhomogeneous degree appeared one to three years before most of the events,and the middle and small seismicity around the epicenter of strong earthquake obviously changes from homogencity to inhomogencity in time distribution before some strong earthquakes.The appearing time and ending time of the state variation before strong earthquakes are related to the tectonic location of the earthquake.The variation of the regionally seismicity state may be the middle-term or short-term behavior of the stress change around the earthquake source. %K active block %K seismic inhomogeneous degree %K regional seismicity %K time feature %K earthquake prediction
活动地块 %K 地震非均匀度 %K 区域地震活动 %K 时间特征 %K 地震预测 %U http://www.alljournals.cn/get_abstract_url.aspx?pcid=E62459D214FD64A3C8082E4ED1ABABED5711027BBBDDD35B&cid=DA72A78627FE64EAA572951EA05D274A&jid=73A1A428591E600EF664B596512A2997&aid=882BCA33E35A4AA6&yid=A732AF04DDA03BB3&vid=DB817633AA4F79B9&iid=E158A972A605785F&sid=4BB057F167CF3A60&eid=7F5DDA4924737DF5&journal_id=1671-5942&journal_name=大地测量与地球动力学&referenced_num=1&reference_num=13