1973 Point Mugu earthquake

Earthquake in Southern California May 2025 February 2025 1973 Point Mugu earthquake 1973-02-21 14:45:57 February 21, 1973 06:45:57 PST 764165 ci3320341 USA California yes California 35.68 -119.23 100 McFarland top Green pog.svg California 35.27 -120.66 San Luis Obispo 100 left Green pog.svg California 35.31 -117.97 100 Cantil Green pog.svg California 33.82 -116.53 Palm Springs 100 right Green pog.svg California 32.72 -117.16 San Diego 100 left Green pog.svg California 34.04 -119.13 Bullseye1.png 40 250 right 5.8 w y VII 0.13 g 10 km on 34.04 N 119.03 W inline,title Oblique-slip South Coast (California) United States $1,000,000 Several injured The 1973 Point Mugu earthquake occurred at 06:45:57 local time 14:45:57 UTC on February 21 in the Point Mugu area of southeastern Ventura County of southern California. It had a moment magnitude of 5.8 and a maximum Mercalli Intensity of VII (Very strong). This oblique-slip shock resulted in several injuries and $1 million in damage. The epicenter was near the Oxnard Plain and the northern terminus of the Santa Monica Mountains, in the California South Coast region. Intensity At the most extreme points of its perceptibility along the coast, it was felt between intensity I and III (Not felt – Weak) at San Luis Obispo in the north and San Diego in the south. Inland, it was felt at McFarland in the central valley and Cantil in the western Mojave Desert, and to the southeast in Palm Springs.United States earthquakes, 1973 Joint Annual Report National Oceanic and Atmospheric Administration https://pubs.er.usgs.gov/publication/ofr84973 J. L. Coffman C. A. von Hake W. Spence D. L. Carver P. A. Covington G. J. Gunthy W. L. Irby W. J. Person C. W. Stover 1984 Open-File Report 84-973 27–33 1975noaa.rept.....C See also Geology of Ventura County, California List of earthquakes in 1973 List of earthquakes in California Point Mugu State Park References Point Mugu, California, Earthquake of 21 February 1973 and Its Aftershocks W. L. Ellsworth R. H. Campbell D. P. Hill R. A. Page R. W. Alewine, III T. C. Hanks Thomas C. Hanks T. H. Heaton Thomas H. Heaton J. A. Hileman H. Kanomori Hiroo Kanamori J. H. Minster J. H. Whitcomb 1973 Science 182 417 1127–9 10.1126/science.182.4117.1127 17810814 1973Sci...182.1127E 39172086 ISC-GEM Global Instrumental Earthquake Catalogue (1900–2013) http://www.isc.ac.uk/iscgem/index.php ISC 2017 International Seismological Centre Version 4.0 PAGER-CAT Earthquake Catalog https://earthquake.usgs.gov/static/lfs/data/pager/catalogs/ September 4, 2009 United States Geological Survey Version 2008_06.1 Stover C. W. Coffman J. L. Seismicity of the United States, 1568–1989 (Revised) – U.S. Geological Survey Professional Paper 1527 https://books.google.com/books?id=bY0KAQAAIAAJ 1993 United States Government Printing Office 92, 159, 160 External links 764165 Point Mugu earthquake Category:Earthquakes in California Point Mugu earthquake Point Mugu earthquake Point Mugu earthquake Point Mugu earthquake Point Mugu earthquake Point Mugu earthquake