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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 ...
The fourth, at 21 feet, was the largest, pushing all the way into the harbor, Nick Graehl, an engineering geologist with the California Geological Survey, said in a webinar last year.
Here are maps showing some of Southern and Central California's most populated areas within a tsunami hazard zone, as determined by the California Geological Survey. The yellow section indicates ...
The California Geological Survey says putting more of these buoys in key locations could help. “These buoys are exposed to rough conditions at sea, so having additional buoys in the ocean will ...
Josiah Dwight Whitney (November 23, 1819 – August 18, 1896) was an American geologist, professor of geology at Harvard University (from 1865), and chief of the California Geological Survey (1860–1874).
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);
The California Geological Survey says the state’s shores have been struck by more than 150 tsunamis since 1800, and while most were minor, some have been destructive and deadly. On March 28, 1964, a tsunami triggered by a powerful earthquake in Alaska smashed into Crescent City hours later.
For the first time since 2009, the California Geological Survey has released new tsunami hazard area maps for Ventura, San Diego, Marin, Napa, Santa Cruz, Solano and Sonoma counties to help ...