Tag Archives: earthquake

Shaking It Up

Depending upon where you live in the United States, you may or may not be visited by an earthquake sometime soon. The areas of greatest concern lie along major fault lines (as in California and Alaska), but New Madrid, Missouri … Continue reading

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Ancient Chinese Seismometer

In ancient China, earthquake warnings arrived via metal dragons and frogs. The mouths of the dragons were hinged and held a brass ball. When the pendulum would swing slightly, the ball would release and noisily fall into the mouth of … Continue reading

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Plate Tectonics

The earthquake and ensuing tsunami in Japan were a result of plate tectonics, or large scale movement of the Earth’s crust. The major plates are African, Antarctic, Australian, Eurasian, Indian, North American, South American, and Pacific. The minor plates (of … Continue reading

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