U.S. Geological Survey Earthquake Hazards Program
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USA (Magnitude 1+)
February 5, 2012 20:42:48 UTC
Regional Offices
Our scientists study earthquakes around the world. Learn about research conducted in our regional offices, regional seismic network monitoring, and local activities of interest.
News & Highlights
Significant Earthquakes
Additional Resources
Featured Items
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Frequently Asked Questions Concerning Earthquakes Induced by Fluid Injection
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ShakeOut "Drop, Cover, and Hold On" Drill
On February 7, 2012, at 10:15 a.m.* CST, more than one million people across nine states will participate in the 2012 Great Central U.S. ShakeOut!
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Introducing TED - USGS Twitter Earthquake Dispatch
The USGS is now offering earthquake tweets via twitter at @USGSted and @USGSBigQuakes.
Today’s Earthquake Fact
On February 5, 1663 the European settlers experienced their first earthquake in America. This was the earliest earthquake of destructive intensity felt in the United States. The earthquake was centered between the present sites of Montreal and Quebec, Canada. Great landslides kept the St. Lawrence River muddy for a month after the shock.
