KABUL, July 17 (Xinhua) -- A 4.7-magnitude earthquake shocked northern Afghanistan's Baghlan province and adjoining areas on Thursday, with no immediate report of casualties.

An earthquake with a magnitude of 7.2 jolted 87 km south of Sand Point, Alaska, the United States, at 20:37:40 GMT on ...

约3亿年前，那时中国还被古特提斯洋和古亚洲洋分隔成许多孤岛。随着俯冲带吞噬了这些海洋，分散的陆地碰撞拼合，一片新的大陆诞生了，从土耳其到中国境内的一系列山脉也随之隆起。到2.6亿年前，这种俯冲运动似乎已经扩散到了更多地区，开始拉动相邻的太平洋板块向地 ...