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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).
In coastal California, landslides are common due to an active tectonic environment. Some geologists have identified the name for landslides that push land into the ocean as a "slump." Landslides tend to be more common in places where rocks are weak and slopes are steep, which is how most of the coastal areas in Southern California are structured.
At the beginning of December, the Santa Ana winds fanned wildfires across southern California, which were fueled by a lack of rainfall during what is normally the region's rainy season. [8] The December fires burned 307,953 acres (124,624 ha) of which 281,893 acres (114,078 ha) were burned during the Thomas Fire , the largest fire in the state ...
The resulting landslides have ripped apart seaside mansions, buckled roads and forced utility provider Southern California Edison to cut electricity to nearly 250 homes to avoid the possibility of ...
He points to California’s Landslide Susceptibility map, which shows almost the entire peninsula as highly susceptible. Given the area’s geological makeup, as well as the roughly 20-degree ...
Historical maps of the ancient landslide complex, including one from the California Geological Survey, documented the slide's boundary to be well north of the Portuguese Bend Reserve, almost ...
It is estimated that the landslides damaged nearly 50 homes and depressed property values. [29] In 1978, residents noticed cracks on Palos Verdes Drive South, and the upper part of the slide may have started to shift. [28] [29] That same year, the city restricted building new homes in the areas impacted by the landslides, "Landslide Moratorium ...
An ongoing crisis stemming from a widening landslide is threatening multimillion-dollar homes in the Southern California city of Rancho Palos Verdes. Residents in the growing landslide zone, which ...