USGS: San Francisco, CA State Bldg 350 McAllister Agency Number: 1080 Structure: 7-Story Bldg Latitude: 37.7800 Longitude: -122.4200 Instrument: Basement Site Geology: Alluvium, 60M Owner: United States Geological Survey (external link) References Add all data on this page to the download bin View Map San Francisco, California 1957-03-22 19:44:21 UTC Hypocentral dist: 17.0 km Summary page for this earthquake Plot Acceleration Component: Up PGA (cm/s/s): -43.51 PGV (cm/s): 2.33 Add this to bin Component: 171 PGA (cm/s/s): -83.81 PGV (cm/s): -5.05 Add this to bin Component: 261 PGA (cm/s/s): 55.07 PGV (cm/s): 4.04 Add this to bin Return to top Home + Login + Download + About Us + Contact Earthquakes + stations + Search + Map + Advanced Search