By analyzing the earthquake swarm recorded in 20 Aug., 2002, we found that the events are almost all located within the southwest of Tianchi Lake, and the focal depths are usually less than 4 km from the surface, the epicenters tend to northwest direction.

  • 对2002年8月20日的小震群进行了分析,结果表明这些地震发生在长白山天池内的西南部,震源深度距离天池水面一般小于4km深,震群的震中位置呈北西向线性分布。

  • 互联网摘选 2026-07-13 13:27:09

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