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The Ring of Fire contains over 450 volcanoes and is home to approximately 75% of the world's active volcanoes; as well, nearly 90% of the world's earthquakes occur in this area.

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Map of Japan to Print | world map asia japan maps large color map

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Risk of Big Earthquakes May Be Underestimated, Scientist Says

The Earth might have a more turbulent past—and hence a more turbulent future—than we thought. Dr. Susan Hough of the US Geological Survey argues that hidden throughout history are a glut of giant earthquakes that either went unrecorded or have been underestimated. The upshot being that the risk of future "big one" quakes is likely higher than we've been assuming.

1/15/2014 North America-Louisiana Sinkhole Area Shook All Night, Big Methane Gas Gathering Worries Officials - See more at:

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