At 11:42am an magnitude of 5.4 earthquake shook Southern California. The quake can be felt as far in Los Angeles to San Diego, and far away slight to Las Vegas.

More details on the eathquake: Yahoo! News Strong quake shakes Southern California.

Photos from the quake: Strong Earthquake rocks Southern California

It felt like a rolling or swaying up and down. California is known as earthquake state because the St. Andreas fault line runs from somewhere near San Diego up to near San Francisco.

arline6