U.S. Geological Survey Earthquake Hazards Program
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USA (Magnitude 1+)
Sat Nov 21 20:06:59 GMT
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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
What to do if a tsunami threatens your area: If you are advised to evacuate, do so immediately. Stay away from the area until local authorities say it is safe. Do not be fooled into thinking that the danger is over when a single wave has come and gone - a tsunami is not a single wave but a series of waves. Do not go to the shoreline to watch for a tsunami. When you can see the wave, it is too late to escape it.
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Loma Prieta Earthquake Anniversary
October 17, 2009 was the 20th anniversary of the 1989 Loma Prieta earthquake in San Francisco. Share your Loma Prieta stories with us
