The ground north and east of Los Angeles holds one of Southern California’s most uneasy meeting points. At Cajon Pass, the San Andreas and San Jacinto fault systems crowd together in a tectonic bottleneck.

A 2.7 magnitude micro earthquake occurred near Brawley, California on Saturday evening, with the shake being felt in nearby areas such as Westmorland, Imperial, Calipatria and El Centro.

Earthquakes usually occur along fracture zones in Earth's crust, where large tectonic plates slide past one another and become locked. Stress builds up over long periods and is suddenly released in the form of an earthquake.

More than 360 minor earthquakes were reported in and around the Imperial County city of Brawley between the Salton Sea and the Mexican Border.

(FOX 5/KUSI) — Did you feel it? A 4.9 magnitude earthquake was reported about 12 miles northeast of Indio, California Monday, according to the U.S. Geological Survey (USGS). It was initially reported around 5:56 p.m. Preliminary data estimates the quake ...

SAN DIEGO COUNTY, CA - A preliminary 2.2 magnitude quake occurred near Warner Springs on Tuesday morning, the U.S. Geological Survey reported.