A moderately strong, 5.0-magnitude earthquake struck in Texas on Friday, according to the United States Geological Survey.
A series of small earthquakes shook the San Francisco Bay Area on Thursday, according to the United States Geological Survey.
An earthquake with a preliminary magnitude of 3.5 rattled the L.A. metropolitan area early Saturday just hours after a 3.8-magnitude quake shook the Malibu area shortly before midnight Friday.
Radioactive materials are found naturally in the Earth. But even so, saying an area is radioactive can conjure up images of ...