本文综合了区域地震地质、历史地震和库区水文地质条件，概述了该区域的孕震构造背景；
In this pap. er, we described the seismogenic structure background by the synthesis of the regional seismogeology, historical earthquake and hydrogeologic conditions of the reservoir area ;
本文在研究秦皇岛市区域地震地质环境和地震活动规律的基础上，确定了区域潜在震源区及相应的地震活动性参数。
Based on the study of regional seismic environment and seismic periodicity, the potential seismic source zones and their activity parameters are determined.
地震的威胁对这一区域来说并不新鲜——美国地质调查局报告称，日本海沟自1973年以来已经发生过9次7.0级以上地震。
The threat of earthquakes are not new to the area - the US Geological Survey reported that the Japan trench has had nine earthquakes of 7 magnitude or greater since 1973.
应用推荐