HowStuffWorks "Maps of World Plates & Earthquakes"

world plates & earthquakes map
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How Earthquakes Work

An earthquake is one of the most terrifying phenomena that nature can dish up. We generally think of the ground we stand on as "rock-solid" and completely stable. An earthquake can shatter that perception instantly, and often with extreme violence.

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How Floods Work

Flooding has claimed more lives than any other natural disaster. Find out how a gentle stream becomes a raging torrent.