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| (Station Photograph - click to enlarge) | (Sensor Layout - click to see PDF File) |
| CESMD |
| Information for Strong-Motion Station |
| Long Beach - City Hall [Demolished] |
| CGS - CSMIP Station 14533 |
| Earthquakes recorded by this station |
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| (Station Photograph - click to enlarge) | (Sensor Layout - click to see PDF File) |
| Latitude | 33.7682 N |
| Longitude | 118.1955 W |
| Elevation (m) | 5 |
| Site Geology | Deep alluvium |
| Vs30 (m/sec) | 322 (measured) |
| Site Class | D |
| Remarks/Notes | Site information sources |
| No. of Stories above/below ground | 15/1 |
| Plan Shape | Square |
| Base Dimensions | 106' x 106' |
| Typical Floor Dimensions | Same as base dimensions |
| Design Date | 1973 |
| Instrumentation | 1987. 16 accelerometers, on 4 levels in the building. 3 accelerometers at a reference free-field site. |
| Vertical Load Carrying System | Concrete slab on metal deck supported on steel frames; steel frame towers on four corners of the square with precast concrete exterior panels. |
| Lateral Force Resisting System | Moment-resistant steel frames. |
| Foundation Type | Spread footings with piers under each column. |
| Remarks | Building was designed for twice the lateral force specified by the code. |