由于太平洋构造板块及其他几个板块的向西移动，导致其向亚洲板块之下俯冲，从而会在这一带引发大地震和火山活动。
The major earthquakes and active volcanoes occurring there are caused by the westward movement of the Pacific tectonic plate and other plates leading to subduction under Asia.
智利的海岸线外是纳斯卡板块，它位于太平洋的东南方下面，以每年9厘米的距离向南美板块下俯冲。
Just off its coast is the Nazca plate, which rests below the south-eastern Pacific Ocean and slides beneath the South American tectonic plate by some 9 centimetres a year.
这次地震是沿着地球表面的一条缝隙发生的。 在这条缝隙处，太平洋板块正俯冲入另一地壳板块下部，而这块地壳板块正承载着日本的北部地区（见”碰撞带“）。
The quake happened along a seam in the planet's surface where the Pacific Ocean floor is diving beneath the tectonic plate carrying northern Japan (see 'Collision zone').
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