The backup dam, which stands just downstream from the original, was built in 2005 after experts determined the original dam would not survive a 7.3 earthquake similar to the 1886 Charleston quake. The ...
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Lori Dengler | All about earthquake swarms
It’s been a jiggly week in the east San Francisco Bay Area. The USGS recorded 120 earthquakes all centered within a few miles of the city of San Ramon. Most were far too small to be felt, but six made ...
Add Yahoo as a preferred source to see more of our stories on Google. A flurry of seismic activity continues in South Carolina, where three more earthquakes were recorded overnight. All three of the ...
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