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Southern California was struck by a “very strong” 5.2-magnitude earthquake on Tuesday evening, ... The most recent significant earthquake (above a 6.0 on the Richter scale) in the state was ...
A magnitude 4 earthquake rattled Southern California before dawn Sunday morning — the strongest in a series of modest earthquakes to strike near the Ontario International Airport in the last month.
“Just a normal California earthquake rumble to remind you who’s really in charge.” 4.0-magnitude earthquake rattles Southern California, seismologists say Skip to main content
A magnitude 4.2 earthquake was felt widely across the nation's second largest city Friday and shook things off shelves near the epicenter in a small mountain community east of Los Angeles, but ...
A 4.7 magnitude earthquake struck in Southern California early Thursday, according to the United States Geological Survey.. The strong quake was recorded about 4.35 miles north of Malibu and about ...
A 4.1-magnitude earthquake shook the Southern California area, the U.S. Geological Survey reported. The nearly 1-mile deep quake hit about 5 1/2 miles southwest from Corona in Riverside County ...
The Richter scale [1] (/ ˈ r ɪ k t ər /), also called the Richter magnitude scale, Richter's magnitude scale, and the Gutenberg–Richter scale, [2] is a measure of the strength of earthquakes, developed by Charles Richter in collaboration with Beno Gutenberg, and presented in Richter's landmark 1935 paper, where he called it the "magnitude scale". [3]
An average of 25 earthquakes with magnitudes between 4.0 and 5.0 occur per year in California and Nevada, according to a recent three-year data sample. The earthquake occurred at a depth of 5.6 miles.