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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.
The fault has a slip rate of approximately 0.6 mm (0.024 in)/year [1] and is predicted to be capable of a 6.0–7.4 [1] magnitude earthquake on the moment magnitude scale. A 2017 study concluded that, together, the Newport–Inglewood Fault and Rose Canyon Fault could produce an earthquake of 7.3 or 7.4 magnitude. [2] The fault was first ...
The epicenter of the moment magnitude 6.7 (M w) blind thrust earthquake was beneath the San Fernando Valley. [3] Lasting approximately 8 seconds and achieving the largest peak ground acceleration of over 1.7 g , it was the largest earthquake in the area since 1971 .
PHOTO: A handout shakemap made available by the United States Geological Survey (USGS) shows the location of a 7.0-magnitude earthquake hitting off the coast of Cape Mendocino, Calif., on Dec. 5 ...
SANTIAGO, Chile (AP) — A magnitude 7.4 earthquake struck northern Chile near its border with Argentina late Thursday, the U.S. Geological Survey reported, shaking homes and causing power outages.
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 energy produced by the Landers earthquake. Foreshock activity, in the form of a significant increase in micro ...
The 1872 Owens Valley earthquake – also known as the Lone Pine earthquake – struck on March 26 at 02:30 local time in the Owens Valley (California, along the east side of the Sierra Nevada), with the epicenter near the town of Lone Pine. Its magnitude has been estimated at M w 7.4 to 7.9, with a maximum Mercalli Intensity of X (Extreme).
4.7-magnitude earthquake hits southeast of San Antonio, felt all the way near Round Rock ... 4.4 and 4.7-magnitude earthquakes were confirmed to have occurred around 6 a.m. local time. In 2024 ...