The Washington Post - AP, 11/07/12
RICHMOND, Va. — Data from the 2011 earthquake centered in Virginia shows East Coast tremors can travel much farther and cause damage over larger areas than previously thought, the U.S. Geological Survey said Tuesday.
The agency estimated about one-third of the U.S. population could have felt the magnitude 5.8 tremor centered about 50 miles northwest of Richmond, which would mean more people were affected than any earthquake in U.S. history. Scientists also found the quake that caused more than $200 million in damage triggered landslides at distances four times farther and over an area 20 times larger than research from previous quakes has shown.
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