The levelness may be due to the subduction of a submarine mountain range known as the JuanFernández Ridge.
板块的水平程度可能取决于一个被称为胡安 · 费尔南德斯脊的海底山脉的俯冲作用。
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Worst hit were a string of towns and villages on the coast either side of Concepción, the country’s second city, as well as the remote JuanFernández islands.