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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). These maps and related ...
The Seismic Hazards Mapping Act, passed in 1990, addresses non-surface fault rupture earthquake hazards, including liquefaction and seismically induced landslides. The act only applies to faults which are "sufficiently active" and "well defined"- for example the 1994 Northridge earthquake occurred on a blind thrust fault not zoned by the act ...
This type of measure is used in cases of smaller landslides. The effectiveness of micropiles is linked to the insertion of micropiles over the entire landslide area. In the case of rotational landslides in soft clay, the piles contribute to increasing the resisting moment by friction on the upper part of the pile shaft found in the landslide.
Homes built on land with past landslide activity are on the market. Here's how homebuyers can assess a property's risk to land movement. Homebuyers beware: How to avoid properties with high ...
It came as a shock when a landslide destroyed homes in Rolling Hills Estates last July. But research from UCLA and NASA shows that land movement preceded the catastrophe.
Seismic Hazards Mapping Act; California State Legislature; Full name: An act to amend Sections 2621.9 and 2622 of, to amend, repeal, and add Sections 2705 and 2706 of, and to add Chapter 7.8 (commencing within Section 2690) to Division 2 of, the Public Resources Code, relating to seismic safety, and making an appropriation therefor.
After several days of power shutoffs in Rancho Palos Verdes Communities affected by accelerated land movement, Gov. Gavin Newsom declares a state of emergency
The California Environmental Protection Agency (CalEPA) is a state cabinet-level agency within the government of California. The mission of CalEPA is to restore, protect and enhance the environment, to ensure public health, environmental quality and economic vitality.