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The tsunamis triggered by kikai obliterated coastal towns .

由kikai引起的海啸毁灭了沿海城镇。

Quake vibrations to track tsunamis ?

用振动来追踪海啸？

They create tsunamis for specific industries where their exports concentrate .

在它们出口集中的行业，它们引起了海啸。

The calamity initiated a massive effort in japan to predict earthquakes and tsunamis .

那次地震让日本在预测地震和海啸上投入了大量的努力。

An asteroid 500 feet across could destroy a metropolitan area or spawn massive tsunamis .

500英尺直径的小行星可能毁灭整个大都市，或引发大规模海啸。