Information for Strong-Motion Station
Los Angeles - 156-ft Campanile
CGS - CSMIP Station 24216
Earthquakes recorded by this station
(Station Photograph - click to enlarge)(Sensor Layout - click to see PDF File)
Latitude 34.0586 N
Longitude 118.2455 W
Elevation (m) 118
Site Geology Rock (sedimentary)
Vs30 (m/sec) 392 (measured)
Site Class C
Remarks/Notes Site information sources
No. of Stories above/below ground13/0
Plan ShapeRectangular
Base Dimensions53' x 61.5'
Typical Floor Dimensions44' x 51'
Design Date1999
Instrumentation2002. 8 accelerometers at 3 levels in the building.
Vertical Load Carrying Systemconcrete slab (8" thick) on steel beams supported by concrete walls and base isolators.
Lateral Force Resisting SystemConcrete shear walls isolated at the foundation with 4 friction pedulum bearings.
Foundation TypeContinuous concrete spread footings and belled caissons.
RemarksTension restraint systems were installed on the friction pendulum bearings to resist uplift. The isolation system can accommodate 29" of lateral displacement.