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朝鲜位于欧亚扳块的东部,介于地震活动较强烈的日本列岛与我国华北之间,历史上有较多的地震活动,其中包括几十次破坏性地震。我国的1975年海城地震与1976年唐山地震之后,朝鲜的地震活动表现出加剧的趋势。因此,朝鲜民主主义人民共和国政府决定开展地震监测工作,八十年代初着手建设测震、测地(地形变观测)、地下水、地磁等前兆观测台网,地震地下水动态观测网已于1986年建成。本文主要根据笔者于1988年12月20—30日间随中国地震代表团访朝活动中搜集到的资料,介绍朝鲜的地震活动性及依此为依据建设起来的地下水动态观测网。
North Korea is located in the east of the Eurasian paddle block, between the more intense seismic activity of the Japanese archipelago and North China. There are many earthquakes in history, including dozens of devastating earthquakes. After the 1975 Haicheng earthquake in our country and the Tangshan earthquake in 1976, the seismic activities in North Korea showed an aggravating trend. Therefore, the government of the Democratic People’s Republic of Korea decided to carry out earthquake monitoring work. In the early 1980s, it started to build earthquake observation and geodetic (terrain observation), groundwater and geomagnetic precursory observation network. The earthquake groundwater dynamic observation network was completed in 1986 . This article mainly based on the data collected by the author during the visit to the DPRK by Chinese earthquake delegations from December 20 to December 30, 1988, introduces the seismicity of North Korea and the groundwater dynamic observation network based on it.