Sunday, March 7, 2010

【Earthquake Hazard Program】:U.S. Geological Survey

【出展引用リンク】: 【Earthquake Hazard Program】: U.S. Geological Survey

Latest Earthquakes

USA (Magnitude 1+)

March 7, 2010 08:02:30 UTC

World (Magnitude 4.5+)

March 7, 2010 08:08:24 UTC
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Regional Offices

Our scientists study locations around the world. Learn about research conducted in our regional offices, regional seismic network monitoring, and local activities of interest.

Today’s Earthquake Fact

The earliest reference to unusual animal behavior prior to a significant earthquake is from Greece in 373 BC. Rats, weasels, snakes, and centipedes reportedly left their homes and headed for safety several days before a destructive earthquake. Anecdotal evidence abounds of animals, fish, birds, reptiles, and insects exhibiting strange behavior anywhere from weeks to seconds before an earthquake. However, consistent and reliable behavior prior to seismic events, and a mechanism explaining how it could work, still eludes us.


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