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11 Things You Didn't Know about Earthquakes

By Michele Berger
Published: November 7, 2013

Quake Numbers

Of the 500,000 tremors that occur annually, only 20 percent result in damage. The 7.1 magnitude quake seen above happened in the Philippines this past October. (Jay Directo/AFP/Getty Images)

A few common themes likely come to mind when you think about earthquakes. The San Andreas fault. California in general. The Richter scale. But there’s a whole lot more to learn about these natural disasters. Here are 11 facts you didn’t know about earthquakes.

Half a million that we can detect happen each year, according to the U.S. Geological Survey. Of those, we can feel one-fifth (about 100,000), and about 100 actually cause damage. 

NEXT: The biggest earthquake ever


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