A minor, 3.8-magnitude earthquake struck in Southern California on Monday, according to the United States Geological Survey.

A moderately strong, 5.2-magnitude earthquake struck in Southern California on Monday, according to the United States Geological ... to update the shake-severity map. The San Diego County Sheriff ...

and away from the hotspot of Tornado Alley – from northern Texas to the lower edge of South Dakota. A time-lapse video of annual tornado maps across the United States from 1980 to 2012.