USGS: Bear Valley, CA Station #10; Webb Residence Agency Number: 1479 Structure: 1-Story Bldg Latitude: 36.5320 Longitude: -121.1430 Instrument: Ground Level Site Geology: Alluvium 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: 57.7 km Summary page for this earthquake Plot Acceleration Component: Up PGA (cm/s/s): 50.30 PGV (cm/s): 3.80 Add this to bin Component: 220 PGA (cm/s/s): 118.80 PGV (cm/s): 8.10 Add this to bin Component: 310 PGA (cm/s/s): 84.70 PGV (cm/s): 8.70 Add this to bin Return to top Home + Login + Download + About Us + Contact Earthquakes + stations + Search + Map + Advanced Search