Information for Strong-Motion Station
Richmond - 3-story Office Bldg
CGS - CSMIP Station 58506
Earthquakes recorded by this station
(Station Photograph - click to enlarge)(Sensor Layout - click to see PDF File)
Latitude 37.9776 N
Longitude 122.3293 W
Elevation (m) 53
Site Geology Shallow fill over rock (sandstone/siltstone)
Vs30 (m/sec) 415 (inferred)
Site Class C
Remarks/Notes Site information sources
No. of Stories above/below ground3/0
Plan ShapeRectangular
Base Dimensions80' x 165'
Typical Floor DimensionsSame as base dimensions
Design Date1984
Instrumentation1986. 12 accelerometers, on 4 levels in the building. 3 accelerometers at a reference free-field site.
Vertical Load Carrying SystemConcrete over steel decking supported by steel frames.
Lateral Force Resisting SystemPerimeter moment reisting steel frames.
Foundation TypeConcrete pile caps at each column (precast, prestressed piles) with grade beams