Wobei exploration district is a drainage network area, it is hard to carry out seismic construction.

涡北勘探区属于河网地带，难以进行正常的地震施工。

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Seismic safety shall be evaluated for major construction projects and the construction projects which may induce serious secondary disasters.

重大建设工程和可能发生严重次生灾害的建设工程，必须进行地震安全性评价；

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Q: there are many DAMS planned or under construction in seismic areas in western China. Are there any you are especially worried about?

问：中国西南部的地震区域有许多计划或在建的水坝，其中有哪个特别让你担忧的吗？

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"I can tell you within our newsroom in Santiago, which is state of the art in terms of seismic construction, it shook for more than 45 seconds, " he said.

CNN: Three strong earthquakes strike Chile in quick succession

Many of those that collapsed were put up before 1980 when Italy brought in stricter regulations for construction in areas of seismic activity.

ECONOMIST: An earthquake in Italy

Increasing oil production takes quite a few years, involving time spent on seismic studies, exploratory drilling, production drilling, as well as construction of infrastructure for transportation and refining.

FORBES: Energy Forecast 2013-2014: Convert to Natural Gas