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1971 San Fernando earthquake - Wikipedia
50 years ago, the 1971 Sylmar earthquake shook L.A. - Los Angeles Times
The 1971 San Fernando Earthquake - California Department of …
Sylmar earthquake: 50 years later, survivors and first responders ...
February 1971: Deadly Sylmar Earthquake Shakes SoCal - NBC Los Angeles
The Disaster that Helped the Nation Prepare for Future Earthquakes ...
Southern California Earthquake Data Center at Caltech
1971 Sylmar temblor sparked damage, death – and changed how …
1971 Sylmar earthquake marked turning point in the science …