USGS: San Francisco, CA Fire Station #17 1295 Shafter Agency Number: 1657 Latitude: 37.7280 Longitude: -122.3850 Site Geology: Shallow stiff soil Owner: United States Geological Survey (external link) References Add all data on this page to the download bin View Map Loma Prieta/Santa Cruz Mountains, California 1989-10-18 00:04:15 UTC Closest dist to fault: 58.2 km Summary page for this earthquake Plot Acceleration Component: Up PGA (cm/s/s): 48.30 PGV (cm/s): -6.70 Add this to bin Component: 270 PGA (cm/s/s): 70.40 PGV (cm/s): -10.50 Add this to bin Component: 360 PGA (cm/s/s): 104.40 PGV (cm/s): 8.10 Add this to bin Return to top Home + Login + Download + About Us + Contact Earthquakes + stations + Search + Map + Advanced Search