A series of small earthquakes shook the San Francisco Bay Area on Thursday, according to the United States Geological Survey.
California is riddled with a number of fault lines that frequently cause earthquakes, including Arrowhead, Waterman Canyon, ...
The 3.8-magnitude quake was centered in York, ME, about 44 miles south of Portland and located along the Atlantic Ocean, according to the United States ... fault cuts the Earth's surface. Map ...