The strongest earthquake to strike Southern California in more than a decade rattled windows, made buildings sway and sent people running into the streets on Tuesday. It measured 5.4 on the Richter Scale. See the links below for more information.
CNN- for a video of the quake shaking the set of Judge Judy!
Many thanks Rob Chambers for highlighting this. Also, you can check out more Geog in the news in the Geography newsroom which has been added in the list of useful websites :)