The United States Geological Survey said Tuesday's initial 6.3-magnitude quake was followed by various aftershocks, and itself was part of an aftershock sequence from last September's quake.
美国地理调查局宣称周二6.3级地震发生后又接连发生了很多次余震，而此次6.3级地震也是去年九月份地震的余震。
The earthquake sequence is foreshock-mainshock-aftershock.
地震序列类型为前震—主震—余震型；
The earthquake sequence is foreshock-mainshock-aftershock.
地震序列类型为前震—主震—余震型；
应用推荐