资讯

YANGON, May 16 (Xinhua) -- Myanmar will hold a forum on post-earthquake economic recovery in Nay Pyi Taw on May 30 and 31, according to the country's Ministry of Information on Friday.
HONG KONG, May 18 (Xinhua) -- An earthquake with a magnitude of 5.2 jolted 21 km SSW of Kyaukse, Myanmar at 1554 GMT on Saturday, the U.S. Geological Survey said. The epicenter, with a depth of 10.0 ...
这是因为地表断层的破裂扩展,它本身也是一个有速度的过程,这个“撕裂”大地的速度,通常比S波的传播速度还要再慢一些(大约是S波速度的0.8倍)。所以,我们会先感觉到P波带来的轻微抖动,然后是S波造成的剧烈摇晃,最后才看到 断层撕裂并滑动开来 。