一、地震带与芦山地震地震震中集中分布的地区,且呈有规律的带状,叫做地震带。世界上的地震相对集中分布在三大地震带上:环太平洋地震带、欧亚地震带和海岭地震带。环太平洋地震带是地球上最主要的地震带,它像一个巨大的环,沿北美洲太平洋东岸的美国阿拉斯加向南,经加拿大西部、美国加利福尼亚和墨 First, the seismic belt and Lushan earthquake epicenter concentrated areas, and showed a regular ribbon, called the seismic zone. The earthquakes in the world are relatively concentrated on three major earthquake zones: the Pacific Rim, the Eurasian and the Ridge Seismic Belt. The Pacific Rim is the most important seismic zone on Earth and resembles a giant ring that travels south of Alaska, on the eastern coast of the North American Pacific Ocean, west of western Canada, California and Mexico