Earthquake Facts

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Parkfield, California, is known as "The Earthquake Capital of the World".

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The highest tsunami caused by an earthquake happened in Japan in 1771.

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The first scientifically studied earthquake occurred in Lisbon in 1755.

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Earthquakes Can Be Triggered By Humans.

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Earthquakes Can Shorten Day Length.

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Earthquakes Can Uproot Crops.

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Earthquake "Shakiness" Isn't Measured by the Richter Scale.

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Due to its high number of volcanos, Japan's earth crust for earthquakes is one of the most unstable.

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Not all earthquakes cause tsunamis. Only an earthquake that occurs at the bottom of the ocean causes a tsunami.

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Approximately one earthquake with a magnitude of 8.0 or higher occurs per year.

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The deadliest earthquake ever struck January 23, 1556 in Shansi, China. Some 830,000 are estimated to have died.

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Nuclear explosions can start or stop earthquakes.

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