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| (Station Photograph - click to enlarge) | (Sensor Layout - click to see PDF File) |
| CESMD |
| Information for Strong-Motion Station |
| Santa Monica - St Johns Hospital |
| CGS - CSMIP Station 24202 |
| Earthquakes recorded by this station |
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| (Station Photograph - click to enlarge) | (Sensor Layout - click to see PDF File) |
| Latitude | 34.0310 N |
| Longitude | 118.4790 W |
| Elevation (m) | 44 |
| Site Geology | Deep alluvium |
| Vs30 (m/sec) | 343 (measured) |
| Site Class | D |
| Remarks/Notes | Site information sources |
| No. of Stories above/below ground | 5/1 (IP); 4/1(D&T) |
| Plan Shape | Irregular (IP); Rectangular (D&T) |
| Base Dimensions | 457 x 315 ft |
| Typical Floor Dimensions | 315 x 190 ft (IP); 288 x 263 ft (D&T) |
| Design Date | 1999 |
| Instrumentation | 2003, 18 sensors on 4 levels in Inpatient Bldg. plus 3 sensors at a reference free-field site; 2009, 6 sensors on 2 levels in D&T Bldg. |
| Vertical Load Carrying System | Concrete fill over steel deck on steel beams and columns supported on rubber bearings |
| Lateral Force Resisting System | Concentrically-braced steel frames (above Level 1) and concrete shear walls (below Level 1) isolated by rubber bearings with lead cores and slider bearings at the base. Two buildings have the same base slab supported on bearings, but are separated at floors above the base with seismic joints. |
| Foundation Type | Concrete spread footings with grade beams. |
| Remarks | Structural design was based on the 1995 California Building Code. Funding for instrumentation was provided by the owner as required by OSHPD. CSMIP provided assistance in instrumentation. |