Locations of liquefaction features produced during earthquakes other than the 1906 and 1989 events (1838, 1852, 1865, 1868 and 1957 earthquakes). Liquefaction features are mapped as points. Many people are surprised to learn that other earthquakes have caused liquefaction in the San Francisco Bay area (view a list of historical earthquakes that have caused liquefaction (opens in new window)). Note that some of the sites liquefied during these other earthquakes also liquefied during the 1906 and 1989 earthquakes.

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