Acceleration Station: San Francisco, CA - 575 Market Station Owner: United States Geological Survey Station Latitude & Longitude: 37.7900, -122.4000 Earthquake: Loma Prieta/Santa Cruz Mountains 1989-10-18 00:04:15 UTC Hypocentral Distance: 97.0 km (Use the back button on your browser to return to the previous page) Component: 45 Basement Component: Up Basement Component: 135 Basement Component: Up Ground Floor Component: 315 Ground Floor Component: 135 25th Floor Component: 45 25th Floor Component: 225 25th Floor Component: 225 34th Floor Component: 45 34th Floor Component: Up 34th Floor Component: 135 42nd Floor Component: 225 42nd Floor Component: 45 42nd Floor Home + Login + Download + About Us + Contact Earthquakes + stations + Search + Map + Advanced Search