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?
問：你指的是2008年二月發生在都江堰(一個離震中很近在地震中嚴重損燬的小鎮)附近的地震群嗎？
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，這種現象才被用相機記錄下來，地震學界由此承認了這種現象的存在。
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.
對1970年以來滇西地區中小地震資料進行了分析，給出了滇西地區震群及前兆震群的定義；