 |  |
| (Station Photograph - click to enlarge) | (Sensor Layout - click to see PDF File) |
| CESMD |
| Information for Strong-Motion Station |
| Berkeley; City Hall |
| NSMP Station 1812 |
| Earthquakes recorded by this station |
| |
| (Station Photograph - click to enlarge) | (Sensor Layout - click to see PDF File) |
| Latitude | 37.8693 N |
| Longitude | 122.2711 W |
| Elevation (m) | 51 |
| Site Geology | |
| Vs30 (m/sec) | |
| Site Class |
| No. of Stories above/below ground | 5/0 |
| Plan Shape | irregular |
| Base Dimensions | -- |
| Typical Floor Dimensions | -- |
| Design Date | 1938 |
| Instrumentation | 2001, 24 accelerometers on three levels of building. |
| Vertical Load Carrying System | Concrete slab supported by reinforced beams and columns. |
| Lateral Force Resisting System | Originally non-ductile concrete frames with few shear walls, but strengthened by additional shear walls and base isolations. |
| Foundation Type | Spread foundation |
| Remarks | This building has been seismically isolated in 1999 by using 74 base isolations and some reinforced concrete shear walls |