在过去的五十年间，河畔附近在一个小的地震空白区。

There was a small seismicity gap around kawazu for the past 50 years .

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这个地震空白区的理论似乎也适用于内陆发生的较小地震。

This seismicity gap theory seems to be applied to small earthquakes occurring inland.

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一些地震专家用“地震空白区”来描绘富城与穷城抵御地震破坏的差异。

Several earthquake experts refer to the "seismic gap" as a way of describing this difference between the ability of rich cities and poor ones to withstand earthquake damage.

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