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GRE阅读：How to Forecast an Earthquake

发布时间：2016-03-01 编辑：查字典英语网小编

　　编辑点评： GRE阅读的方法相信大家已经积累了很多了，本文就为大家提供一些GRE阅读的材料，大家来练一练，把平时学到的东西运用到实际中，也多多积累词汇和句子，提高自己的阅读能力。

　　Earthquakes are a common geological phenomenon; they happen all over the world every single day. However, most of the earthquakes are too weak for humans to feel. Since the dawn of time, man has sought to forecast earthquakes due to the possibility of their devastating effects. Even though earthquakes cannot be forecasted or predicted with 100 percent certainty, there are some things that you can do to help forecast earthquakes.

　　Look at geologic maps to find the locations of past earthquakes. Maps showing the locations of past earthquakes are available from the United States Geological Survey . By looking at these maps, you can see where earthquakes may be likely to occur again based on where they have occurred in the past.

　　Obtain information on when earthquakes have occurred in the past. In some locations that have experienced multiple earthquakes in the past, there may be some periodicity or pattern to when those earthquakes occurred. Knowing this periodicity can help you forecast when an earthquake may occur in the future. The USGS also has information on when earthquakes have occurred.

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