February 9 is the 50-year anniversary of the M6.5 San Fernando/Sylmar earthquake in California. The deaths and serious damage caused by this quake led to new building codes and land-use policies aimed at increasing seismic resistance.
To learn more about this historic earthquake and its impacts, check out the following online seminars and sites:
Commemorating the 50th Anniversary of the February 9, 1971 San Fernando California Earthquake, presented by UCLA Samueli School of Engineering.
https://ucla.zoom.us/webinar/register/WN_tk6sXtMnQK2mVTBuFOdEtg
ECA SoCal Online Workshop (Feb. 10, 2021): 50 years since the 1971 San Fernando (Sylmar) Earthquake: Lessons Learned that Shape and Protect Our Lives Today
https://www.earthquakecountry.org/socal/2021february10workshop/
The Disaster that Helped the Nation Prepare for Future Earthquakes: Remembering San Fernando. USGS (https://www.usgs.gov/news/50th-anniversary-san-fernando)