earthquake swarm

基本解释

Q: You mean the earthquake swarm near Dujiangyan [a town near the epicenter badly damaged in the quake] in February 2008?
问：你指的是2008年二月发生在都江堰(一个离震中很近在地震中严重损毁的小镇)附近的地震群吗？
It wasn't until the phenomenon was captured in photographs, taken during the Matsushiro earthquake swarm in Japan between 1965 and 1967, that the seismological community acknowledged their occurrence.
直到1965——1967年日本松代的多次地震，这种现象才被用相机记录下来，地震学界由此承认了这种现象的存在。
Through analyzing and processing the data of the small earthquakes in West Yunnan since 1970, the definitions of the earthquake swarm and the precursor swarm in the area have been given.
对1970年以来滇西地区中小地震资料进行了分析，给出了滇西地区震群及前兆震群的定义；