CESMD |
Information for Strong-Motion Station |
Lancaster - 3-story Office Bldg. |
CGS - CSMIP Station 24517 |
Earthquakes recorded by this station |
Latitude | 34.6871 N |
Longitude | 118.1582 W |
Elevation (m) | 717 |
Site Geology | Alluvium |
Vs30 (m/sec) | 339 (inferred) |
Site Class | D |
Remarks/Notes | Site information sources |
No. of Stories above/below ground | 3/0 |
Plan Shape | Rectangular |
Base Dimensions | 129\' x 70\' |
Typical Floor Dimensions | Same as base dimensions |
Design Date | Approximately 1974. |
Instrumentation | 1986: 13 accelerometers on 4 levels in the building; 3 accelerometers at a reference free-field site. 2024: Reinstrumentation of building; 15 accelerometers on 4 levels. |
Vertical Load Carrying System | Block masonry bearing walls; Steel pipe columns; Wood floor and roof joists; Plywood floor and roof. |
Lateral Force Resisting System | Block masonry shear walls with plywood floor and roof diaphragms. |
Foundation Type | Concrete piers and grade beams. |
Remarks | -- |