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Daly City Earthquake of March 22, 1957

The strongest shock since the 1906 earthquake was experienced by San Francisco and the Bay Area at 11:45:20 on the morning of
Friday, March 22, 1957. It registered 5.3 on the Richter scale and, for a whole new generation of the local population, it was the greatest earthquake they had ever experienced.

Earlier in the day two other quakes had been felt. The first, at 8:38 a.m., was 3 on the Richter scale, and the second, at 10:48 a.m., registered 3.75. No lives were lost, there were no serious injuries, and structural damage to homes was slight, although a large number of homes in the Westlake--Palisades--Daly City area suffered more or less superficial damage, generally confined to exterior plaster.

The quake was centered on the San Andreas fault near Daly City. Damage to buildings in San Francisco was noted throughout the city, but was most extensive in the western portions. This earthquake, along with the 1906 and 1989 jolts, continues to be studied by scientists. Subsequent investigation indicates that the 1957 earthquake may have been centered near the epicenter of the Great Earthquake of 1906.

From Gladys Hansen's San Francisco Almanac
1995 Chronicle Books

For information on other major San Francisco earthquakes

The Great Earthquake of 1865
The San Francisco Earthquake of 1868
The Great Earthquake and Fire of 1906
The 1989 Earthquake and Fires
Chronology of San Francisco Earthquakes 1769 - 1994