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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).
A variety of factors can trigger landslides, including earthquakes and human activities. But rainfall is one of the most common . As it rains, water seeps into the ground, percolating into the ...
La Conchita landslide, photo taken 14 January 2005 La Conchita landslide, 1995. The town of La Conchita, California, experienced major landslides in 1995 and 2005. The latter landslide killed 10 people, and destroyed or damaged dozens of houses. The 2005 landslide occurred on part of a previous landslide that occurred in 1995.
Additionally, global warming caused by climate change and other human impact on the environment, can increase the frequency of natural events (such as extreme weather) which trigger landslides. [9] Landslide mitigation describes the policy and practices for reducing the risk of human impacts of landslides, reducing the risk of natural disaster.
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 ...
The devastation caused by the landslide started last winter. But residents say the origins of the crisis started in 1956, when city officials greenlighted the construction of 200 homes and seven ...
The Portuguese Bend Landslide is a highly active landslide area that covers approximately 240 acres. [ 33 ] [ 34 ] Since Spring 2023, there has been noticeable land movement and collateral damage in the Portuguese Bend Beach Club, Portuguese Bend Community Association, and Seaview neighborhoods.
Earthquake environmental effects are divided into two main types: Coseismic surface faulting induced by the 1915 Fucino, Central Italy, earthquake. Primary effects: which are the surface expression of the seismogenic source (e.g., surface faulting), normally observed for crustal earthquakes above a given magnitude threshold (typically M w =5.5 ...