根据美国地质调查局的说法，一个8级地震的能量等同于790枚核弹的能量。

A magnitude-8 quake has the equivalent energy of790 nuclear bombs, according to the U. S. Geological Survey.

youdao

根据美国地质调查局，更多的淡水储存在地下，其数量多于在地球表面上以液体形式所呈现的水。

There is much more freshwater stored in the ground than there is in liquid form on the surface, according to the USGS.

youdao

根据美国地质调查局研究发现，此次地震的震中约是波哥大东部东南部54千米地区，深度约为10千米。

According to the U. S. Geological Survey, the quake's epicenter was at 54 km east-southeast of Bogota at a depth of 10 km.

youdao