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| (Station Photograph - click to enlarge) | (Sensor Layout - click to see PDF File) |
| CESMD |
| Information for Strong-Motion Station |
| Riverside - 13-story Govt Office Bldg |
| CGS - CSMIP Station 13312 |
| Earthquakes recorded by this station |
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| (Station Photograph - click to enlarge) | (Sensor Layout - click to see PDF File) |
| Latitude | 33.9779 N |
| Longitude | 117.3729 W |
| Elevation (m) | 259 |
| Site Geology | Deep alluvium over rock (granitic) |
| Vs30 (m/sec) | 418 (measured) |
| Site Class | C |
| Remarks/Notes | Site information sources |
| No. of Stories above/below ground | 13/1 |
| Plan Shape | Rectangular |
| Base Dimensions | 208' x 135'-4" |
| Typical Floor Dimensions | 174'-3" x 99'-9" |
| Design Date | 1972 |
| Instrumentation | 1977. 15 accelerometers, on 4 levels in the building. |
| Vertical Load Carrying System | Main Building: exterior concrete wall and interior steel frame to 3rd floor; steel frame from 3rd floor to roof. (13-story, 174' x 100'). Service Tower: exterior concrete wall to 7th floor; braced frame from 7th floor to roof. (14-story, 52' x 37') |
| Lateral Force Resisting System | Main Building: Steel moment frames. |
| Foundation Type | -- |
| Remarks | -- |