The historical seismic data are the key determining seismicity parameter in seismic hazard analysis.
在地震危险性分析中，历史地震资料是确定地震活动性参数的关键。
The potential seismic risk in the Yangqing-Hualai basin, NW of Beijing City, is estimated using historical documents and recent seismicity and tectonic stress field data.
根据历史地震记载、近期地震活动性和构造应力场资料，分析了北京西北延庆-怀来盆地的潜在地震危险性。
The historical and present seismicity, the long-term seismic risk, and the relation between large earthquakes which occurred in North China and Japan have been studied.
文中研究了该地区的历史与现代地震活动性、长期地震危险性以及发生在华北与日本的大地震之间的关系。
应用推荐