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Jul 4, 2019 · Over the past 40 years, 8 other M5+ earthquakes have occurred within 50 km of the July 4th, 2019 earthquake. The largest of these was an M5.8 event on September 20, 1995, about 13km (8mi) to the west-northwest of the Ridgecrest sequence, which was felt strongly in the China Lake-Ridgecrest area, and more broadly from Los Angeles to Las Vegas.
The July 2019 Ridgecrest earthquakes consist of three main shocks of magnitudes 6.4, 5.4, and 7.1, each followed by a flurry of aftershocks of substantially lower magnitude. The aftershocks of the Ridgecrest earthquakes reveal two fault zones. The July 4 M 6.4 event (orange dot) occurred on the SW-NE fault where it intersects the NW-SE oriented ...
- $5.3 billion
- Strike-slip
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May 10, 2021 · Taken early in the morning July 6, 2019 after the M7.1 earthquake which struck eastern California, southwest of Searles Valley, near Ridgecrest, CA. (Ben Brooks, USGS) Tectonic setting of the Ridgecrest earthquake sequence, located near the transition between the eastern California shear zone and the Walker Lane in southern California.
Dec 4, 2020 · About 34 hours later (at 8:19pm local time) and 11km (6.8 mi) NW of the M6.4 event, another larger earthquake occurred. This was an M7.1 on a fault orthogonal (rotated 90 degrees) to the strike of the M6.4 and was also a shallow strike-slip event. View the 2019 Ridgecrest, California Earthquake Sequence Geonarrative.
Dec 4, 2020 · The 2019 Ridgecrest, California, Earthquake Sequence. December 4, 2020. View Web Tool. This USGS geonarrative (Esri Story Map) summarizes the USGS response and findings after the M6.4 on July 4 and M7.1 on July 6, 2019 in Searles Valley, Southern California, and includes links to USGS research publications and data releases.
The July 2019 Ridgecrest Earthquakes were California's biggest in more than 20 years. On Thursday, July 4th, at 10:33 a.m. PST a magnitude 6.4 earthquake struck about 12 kilometers (10.5 miles) southwest of Searles Valley. Multiple aftershocks followed, and on Friday, July 5th, another earthquake struck with a magnitude of 7.1.
May 24, 2023 · On the morning of July 4, 2019, a magnitude 6.4 earthquake struck the Searles Valley in California’s Mojave Desert, with impacts felt across Southern California. About 34 hours later on July 5, the nearby city of Ridgecrest was struck by a magnitude 7.1 earthquake, a jolt felt by millions across the state of California and throughout ...
