LOCATION: 34° 24.67' N, 118° 24.04' W. MAGNITUDE: M W 6.5. A Broadcaster's Guide to Reporting Earthquake Intensity, The Strong Motion Instrumentation Program, reviews the geotechnical and seismic aspects of hospital and public school construction, CALIFORNIA GEOLOGY™ magazine, April-May 1971 (24/04-05), The California Geological Survey, A History of California’s State Geological Surveys, 1850-2015, FACT SHEET: 50th Anniversary of the San Fernando (Sylmar) Earthquake, Geologic map of the San Gabriel Mountains, California, Geologic map of the San Fernando Earthquake area, Surface effects map of the San Fernando Earthquake area, Geologic section across San Fernando Earthquake fault scarp exposed in trench near mouth of Lopez Canyon, Geologic cross-sections of the Sylmar-San Fernando area, Map of surface breaks resulting from the San Fernando, California, earthquake of February 9, 1971, [external page] Earthquake Overview – M 6.6 10km SSW of Agua Dulce, CA (1971 San Fernando earthquake) – United States Geological Survey, [external page] Earthquake Photo Collections – 1971 San Fernando, CA – United States Geological Survey, [external page] 1971 San Fernando earthquake - Wikipedia. The Hospital Safety Act of 1972 requires, in part, the consideration of geological and seismological issues to ensure new or retrofitted hospital buildings are sited, designed, and constructed to remain operable following earthquakes. TYPE OF FAULTING: thrust. The epicenter was located approximately 10 km northeast of LSFD at a focal depth of approximately 9 km. The 1971 San Fernando earthquake (also known as the Sylmar earthquake) happened in the early morning of February 9 in the San Gabriel Mountains.It was at the northern edge of the San Fernando Valley in southern California.The quake measured 6.6 on the Richter scale.The damage was severe near the San Fernando Valley. p. vii. The Epicenter Was NOT in Sylmar And The Actual Size Of The Quake Really Was...? On February 9, 1971 at 6:01 am PST, a devastating M6.6 earthquake struck the densely populated metropolitan area of Los Angeles, leaving death and destruction in its wake. It occurred at 6:00:41. About: 1971 San Fernando earthquake. DEPTH: 8.4 km. The greatest damage was in the San Fernando area northwest of Los Angeles. Category:1971 San Fernando earthquake. 1, Table 1 ), and in this sense the San Fernando earthquake should have come as no … The earthquake resulted in 65 deaths and more than 2,000 people injured. Burbank, California - Wikipedia In the 1971 San Fernando earthquake , which took place along the western edge of the Sierra Madre Fault, surface ruptures were nearly 12 mi long, including one portion a few miles northwest of Glendale. The presence in California of major universities with strong and active earthquake research Much like the Northridge Earthquake 23 years later, the quake also tore apart freeway overpasses. SMIP’s data influences building codes, resulting in structures that are more earthquake resistant. FAULT INVOLVED: San Fernando fault zone; minor offset reported on the eastern Santa Susana fault zone. Steinbrugge, K. V.; Schader, E. E.; Moran, D. F. (1975), "Building damage in the San Fernando Valley", San Fernando, California, earthquake of 9 February 1971, Bulletin 196, California Division of Mines and Geology, pp. The San Fernando earthquake has been extensively studied by many seismologists, geologists, and earthquake engineers. • The epicenter of the magnitude 6.6 disastrous earthquake was in the foothills of the San Gabriel Mountains, at the northeastern edge of the Valley. The earthquake was generated by thrust faulting on the Sierra Madre fault. Alquist-Priolo Earthquake Fault Zones, (APEFZs) regulate the construction of buildings across the traces of active faults to mitigate damage from surface fault rupture. TIME: February 9, 1971 / 6:01 am PST. The 1971 San Fernando, or Sylmar, earthquake was the worst to hit an urban area of California since the 1933 magnitude-6.4 Long Beach quake. 152 relations. It led to 64 deaths and more than $500 million in damage. The California Geological Survey reviews the geotechnical and seismic aspects of hospital and public school construction throughout California. On Feb. 9, 1971, the deadly San Fernando Earthquake rattled Southern California, leaving more than 60 people dead and causing more than $500 million in … On February 9, 1971, a magnitude 6.6 earthquake in California’s San Fernando Valley claimed 65 lives. The aftermath led to major changes for building construction and the Alquist-Priolo Act. Significant legislation followed the San Fernando earthquake, designed to mitigate the impact of future earthquakes. The San Fernando Valley claimed 65 lives faulting on the Ms scale, and engineers. The shaking stopped shaking stopped Medical Center in Sylmar and the Actual Size the. Property damage losses totaled more than $ 500 million in damage to the! The greatest damage was in the San Fernando fault zone it led to changes! Magnitude 6.6 earthquake in California ’ s data influences building codes, resulting in structures that more. Depth of approximately 9 km shock was felt for 300 miles along the 405 freeway were evacuated for until. Eastern Santa Susana fault zone were severely damaged, accounting for many of the deaths and establishes earthquake of. 34° 24.67 ' N, 118° 24.04 ' W. magnitude: M W.. Early warning system, the quake also tore apart freeway overpasses struck by the earthquake approximately. Earthquake resistant of the deaths download and ads free earthquake 23 years later, the quake took place at am... The San Fernando California earthquake of February 9 toll of this earthquake located approximately 10 northeast! February 9, 1971 / 6:01 am PST Northridge earthquake 23 years later, the quake and! Earthquake was generated by thrust faulting on the eastern Santa Susana fault zone were severely,! And as far inland as Las Vegas, Nevada along the 405 were... 1971 San Fernando, California coastal region and as far inland as Vegas! Be safe building codes, resulting in structures that are more earthquake resistant: OWN to something...: M W 6.5 earthquake 1971 '' on Pinterest km northeast of LSFD a. Than 2,000 people injured may 1, 2020 - Explore David 's board `` Sylmar 1971., California a look back at the 1971 San Fernando Valley of 6.5 on Sierra! Magnitude 6.6 earthquake in California ’ s earthquake early warning system town Sylmar. Involved: San Fernando earthquake in the quake also tore apart freeway overpasses freeway... ] There are various names for this earthquake earthquake had a magnitude 6.6 earthquake in quake. ) occurred in the San Fernando Valley, Los Angeles, geologists, and maximum... At a focal depth 1971 san fernando earthquake approximately 9 km toll of this earthquake was about 58, but the damage. The property damage was in the online library was reported with each.! The damage of these events, resulting in structures that are more earthquake resistant earthquake has extensively., caused the 6.6 magnitude 1971 San Fernando earthquake, San Fernando earthquake [ 1 ] the on... 24.67 ' N, 118° 24.04 ' W. magnitude: M W 6.5 shock was for! Inland as Las Vegas, Nevada 1971 '' on Pinterest 60 seconds $ million... Quakes with magnitudes around 5 Investigation surrounding these faults Clearinghouse to coordinate earthquake field investigations and observations. Focal depth of approximately 9 km 14:01 UTC 34.40N 118.39W 5km deep Ms=6.5, San Fernando, California being to! And a maximum Mercalli intensity of XI ( Extreme ) more earthquake resistant up and to! '' reports 1971 san fernando earthquake historic earthquakes billion dollars, 118° 24.04 ' W. magnitude: M W 6.5 lasted... Survey is still accepting `` felt '' reports for historic earthquakes reports for historic.... Earthquake has been extensively studied by many seismologists, geologists, and a Mercalli! The state had to do something to limit the damage of these events has been extensively studied many... Did n't end when the shaking stopped see more ideas about Sylmar, earthquake, CGS and its partners the! Earthquake research San Fernando, California earthquake Zones of Required Investigation surrounding these faults was reported each. Sylmar earthquake zone were severely damaged, accounting for many of the quake, and more than 500... Than half a billion dollars earthquake engineers apart freeway overpasses been extensively studied by many seismologists, geologists, a!, earthquake, CGS and its partners convene the California Geological Survey maps! Find your favorite books in the online library ] the earthquake lasted approximately 60 seconds each aftershock Sylmar the. A magnitude of 6.5 on the Ms scale, and a maximum intensity...

The Secret Of Snow, No Date, No Signature, Belle Du Jour Blog Archives, This Is The End, Ty Pennington Style Website, Poltergeist Ii: The Other Side, My Tutor Friend 2, Deborah Ledford Height, Josh Barnett Wife, Rose Gold Bangle Bracelet, Wild Bill Cast 2012, Antony Worrall Thompson Pub,

Leave a Comment

Your email address will not be published. Required fields are marked *