吉林松原深夜发生5.7级地震,震源深度13千米
society/201805/00439489.htm
或许是一个知识点
如果震源深度是3千米,某些人的世界要巨大改变。10公里深度的能量衰减,那是一个救命法宝。
Pehapes there is a point of Your knowledges
If the earthquake depth is 3 KM, there will great change in the world of many people. Energy damping at 10 km depth, that is a lifesaver.
Tsaokuohua=曹国华=320602520830201