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A magnitude 3.4 earthquake hit the Fontana area Saturday, the U.S. Geological Survey said. The Inland Empire quake was centered just under five miles northwest of Fontana, the agency said.
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.
A 7.0 magnitude earthquake was reported off the coast of Northern California on Thursday, according to the United States Geological Survey. The epicenter of the "strong" quake was off the coast ...
The earliest known earthquake in the U.S. state of California was documented in 1769 by the Spanish explorers and Catholic missionaries of the Portolá expedition as they traveled northward from San Diego along the Santa Ana River near the present site of Los Angeles. Ship captains and other explorers also documented earthquakes.
UTC time: 1999-10-16 09:46:45: ISC event: 1643776: USGS-ANSSComCat: Local date: October 16, 1999 (): Local time: 02:46:45 PDT [1]: Magnitude: 7.1 M w [1]: Depth: 20 km (12 mi) [1] Epicenter: 1]: Type: Strike-slip [2]: Areas affected: Southern California United States: Total damage: Limited [3]: Max. intensity: MMI VII (Very strong) [2]: Casualties: 4–5 injured [2] [4]: The 1999 Hector Mine ...
These two earthquakes are considered a regional earthquake sequence, rather than a main shock and aftershock. [ 11 ] The magnitude 5.7 Little Skull Mountain (LSM) earthquake the following day, June 29, 1992, at 10:14 UTC near Yucca Mountain , Nevada, is also considered part of the regional sequence and may have been triggered by surface wave ...
The earthquake occurred about 12 miles northwest of the epicenter of the magnitude 7.5 Kern County earthquake that struck on July 21, 1952. That earthquake resulted in 12 deaths, ...
The 2014 South Napa earthquake occurred in the northern San Francisco Bay Area on August 24 at 03:20:44 Pacific Daylight Time. At 6.0 on the moment magnitude scale and with a maximum Mercalli intensity of VIII ( Severe ), the event was the largest in the San Francisco Bay Area since the 1989 Loma Prieta earthquake .