Acceleration Station: Riverside, CA - Santa Ana River Bridge Station Owner: United States Geological Survey Station Latitude & Longitude: 33.9680, -117.4470 Earthquake: Whittier Narrows 1987-10-01 14:42:20 UTC Hypocentral Distance: 60.9 km (Use the back button on your browser to return to the previous page) Component: Down ABOVE ISOLATOR Component: 76 ABOVE ISOLATOR Component: 346 ABOVE ISOLATOR Component: Up N Abutment Recorder Bldg Component: 85 N Abutment Recorder Bldg Component: 175 N Abutment Recorder Bldg Component: 346 MID SPAN Component: Down MID SPAN Component: 76 MID SPAN Component: Down BELOW ISOLATOR Component: 346 BELOW ISOLATOR Component: 76 BELOW ISOLATOR Component: Down N Abutment Component: 85 N Abutment Component: 346 N Abutment Home + Login + Download + About Us + Contact Earthquakes + stations + Search + Map + Advanced Search