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The original Geological Survey of California was replaced in April 1880 by the new California State Mining Bureau. This was renamed the Division of Mines in 1927. In 1962 the division's name was expanded to be California Division of Mines and Geology , a name that lasted until August 2006, when the state legislature renamed the division the ...
Here are maps showing some of Northern California’s most populated areas within a tsunami hazard zone, as determined by the California Geological Survey. The yellow section indicates the tsunami ...
1) It directs the state's California Geological Survey agency (then known as the California Division of Mines and Geology) to compile detailed maps of the surface traces of known active faults. These maps include both the best known location where faults cut the surface and a buffer zone around the known trace(s);
New technology in 2021 allowed the state’s geological survey to update its maps from 2009. A tsunami triggered by a large earthquake in Alaska would take approximately five hours to reach the ...
CGS is California's primary source of geologic and seismologic products and services for decision making by California's government agencies, its businesses and the public. [1] Since the 1960s, when it was known as the California Division of Mines and Geology, CGS has produced many maps that depict landslide features and potential slope-failure ...
The California Geological Survey, a state Conservation Department division, studies the potential for post-fire debris flows and creates maps and reports that the state Office of Emergency ...
The US Geological Survey defines the geographic center of California about 7.1 miles (11.4 km) driving distance from the United States Forest Service office in the community of North Fork. Earth scientists typically divide the state into eleven geomorphic provinces with clearly defined boundaries.
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 ...