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South Orange County is pretty vulnerable to landslides - this video explores why the region’s geologic history and composition are partly to blame for the destruction. I also do a quick overview of the California Landslide Inventory.
The Landslide Inventory is located here:
maps.conservat...
Also the Capistrano Formation sucks.
Sources:
Grant, Lisa B., Karl J. Mueller, Eldon M. Gath, Hai Cheng, R. Lawrence Edwards, Rosalind Munro, and George L. Kennedy. "Late Quaternary uplift and earthquake potential of the San Joaquin Hills, southern Los Angeles basin, California." Geology 27, no. 11 (1999): 1031-1034.
Morton, Douglas M., Fred K. Miller, Pamela M. Cossette, and Kelly R. Bovard. Geologic Map of the San Bernardino and Santa Ana 30ʹ X 60ʹ Quadrangles, California. US Geological Survey, 2006.
Smith, Patsy Beckstead. Foraminifera of the Monterey Shale and Puente Formation, Santa Ana Mountains and San Juan Capistrano Area, California. No. 294-M. 1960.
Vedder, J. G. "Summary of geology of the San Joaquin Hills." (1970): 15-19.
Image Attribution: José Manuel Suárez
Video Attribution: ThuisbijThuis