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The State of California Department of Conservation produces regulatory maps showing locations where the hazard from earthquake-triggered landslides must be evaluated prior to specific types of land-use development in accordance with provisions of Public Resources Code, Section 2690 et seq. (Seismic Hazards Mapping Act).
The Los Angeles Department of Water and Power, as well as the County of Los Angeles, investigated and verified that local soil conditions contributed to the ground displacement and resulting destruction. The area of surface breaks on the ground at the site was 900 ft (270 m) (at its widest) and stretched 4,000 ft (1,200 m) down a 1% grade slope ...
The epicenter region of the earthquake was located in the San Fernando Valley, about 30 km (19 mi) northwest of downtown Los Angeles. The United States Geological Survey (USGS) placed the hypocenter 's geographical coordinates at 34°12′47″N 118°32′13″W / 34.213°N 118.537°W / 34.213; -118.537 and at a depth of 11.31 miles ...
The Sunken City is the site of a natural landslide that occurred in the Point Fermin area of the San Pedro neighborhood of Los Angeles, beginning in 1929. A slump caused several beachside homes to slide into the ocean. The area was originally developed in the 1920s by George H. Peck, featuring homes with views of the Pacific Ocean. [1] Experts ...
The Portuguese Bend landslide was triggered in the summer of 1956 — nearly two decades before Rancho Palos Verdes became a city — when a Los Angeles County road crew was constructing an ...
Rancho Palos Verdes, a coastal community in the Los Angeles area, could be described as a geological ticking time bomb. The affluent city sits atop steep cliffs overlooking the Pacific Ocean that ...
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 ...
Downtown Los Angeles has received just 0.16 of an inch of rain since Oct. 1, which is just 2% of the average at this point in the water year — 6.48 inches. Downtown L.A.'s annual average ...