Since the Chilean earthquake of Mar- ch 1985,the seismic belt along the west coast of the North and South American conti- nents and Oceanic Island Arc belts between the Pacific and Indian Oceans have been the main sites of the global seismicity.

• 自1985年3月智利地震以来,美洲西海岸地震带和大洋岛弧带一直是全球地震活动的主要场所。