Megathrusts are created in subduction zones—land plate boundaries where two plates converge.
超级强震产生于俯冲带——两个板块交汇的陆地板块边界。
2
The geology of this part of the Andes is a result of the eastward subduction of the Nazca tectonic plate underneath South America.
该区域安第斯山脉的地质结构是纳斯卡板块向东俯冲，下穿垫在南美版块之下。
3
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.