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Simplified fault map of southern California The faults of Southern California viewed to the southeast, as modeled by the Southern California Earthquake Center. Highlighted in purple are the San Andreas Fault (left) and Santa Monica Bay complex (right). The foreground is in the Santa Barbara Channel, the east-trending zone marks the Transverse ...
The Los Angeles Basin is situated along the coast of Southern California at the confluence of the Transverse Ranges and the Peninsular Ranges.The basin is under the influence of several strike-slip and blind thrust faults with geodetic studies providing evidence of the northern basin being shortened in the north–south or northeast–southwest directions at a rate of 4.5–5 millimetres (0.18 ...
UTC time: 1991-06-28 14:43:55: ISC event: 330437: USGS-ANSSComCat: Local date: 28 June 1991 (): Local time: 07:43:55: Magnitude: 5.6 M w [1] [2]: Depth: 6.2 mi (10 km) [1] Epicenter: 1]: Type: Thrust: Areas affected: Greater Los Angeles Area Southern California United States: Total damage: $33.5–40 million [2] [3]: Max. intensity: MMI VII (Very strong) [3]: Peak acceleration: 0.58 g at ...
The Puente Hills thrust fault system is in a broad zone directly underneath the densest parts of the L.A. area, including downtown Los Angeles, which has many old and unretrofitted buildings, as ...
Probabilistic seismic hazard map. 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 ...
The Raymond Fault in Southern California, United States. The Raymond Fault is a fault across central Los Angeles County and western Ventura County in Southern California . [ 1 ]
On Friday, at 10:26 a.m., a magnitude 3.6 earthquake — down from an original estimate of 3.8 — occurred with an epicenter just north of the Ojai Valley, causing weak shaking to be felt from ...
The Sierra Madre Fault Zone highlighted in red. Situated at the boundary to the San Gabriel Valley and San Fernando Valley, the Sierra Madre Fault Zone (also known as the Sierra Madre-Cucamonga Fault) runs along the southern edge of the San Gabriel Mountains for a total of 95 kilometers (59 mi), where the northwesternmost 19 km (12 mi) comprises the San Fernando Fault (the section responsible ...