Information for Strong-Motion Station
San Bernardino - 5-story CSUSB Library
CGS - CSMIP Station 23285
Earthquakes recorded by this station
(Station Photograph - click to enlarge)(Sensor Layout - click to see PDF File)
Latitude 34.1822 N
Longitude 117.3242 W
Elevation (m) 459
Site Geology Deep alluvium
Vs30 (m/sec) 337 (inferred)
Site Class D
Remarks/Notes Site information sources
No. of Stories above/below ground5/1
Plan ShapeRectangular
Base Dimensions261'-7 1/2" x 138'-8"
Typical Floor Dimensions216' x 138'-8"
Design Date1968
Instrumentation1976. 10 accelerometers, on 3 levels in the building.
Vertical Load Carrying System9" RC flat slab supported by RC interior and exterior columns.
Lateral Force Resisting SystemRC shear wall systems, both directions, in each corner of building
Foundation TypeSpread footings