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| (Station Photograph - click to enlarge) | (Sensor Layout - click to see PDF File) |
| CESMD |
| Information for Strong-Motion Station |
| Sierra Madre - Cogswell Dam |
| CGS - CSMIP Station 23210 |
| Earthquakes recorded by this station |
| |
| (Station Photograph - click to enlarge) | (Sensor Layout - click to see PDF File) |
| Latitude | 34.2449 N |
| Longitude | 117.9653 W |
| Elevation (m) | 698 |
| Site Geology | Weathered granitic rock |
| Vs30 (m/sec) | 680 (inferred) |
| Site Class | C |
| Remarks/Notes | Site information sources |
| Dam Height | 206' (63m) |
| Plan Shape | -- |
| Crest Length | 574' (175m) |
| Crest Width | -- |
| Construction Date | 1935 |
| Instrumentation | 1975, 9 accelerometers, on crest and abutment. |
| Superstructure Type | -- |
| Dam Type | Earth dam. |
| Foundation Type | -- |
| Remarks | -- |