Information for Strong-Motion Station
Santa Rosa - 5-story Commercial Bldg
CGS - CSMIP Station 68387
Earthquakes recorded by this station
(Station Photograph - click to enlarge)(Sensor Layout - click to see PDF File)
Latitude 38.4390 N
Longitude 122.7125 W
Elevation (m) 50
Site Geology Deep alluvium
Vs30 (m/sec) 363 (inferred)
Site Class C/D
Remarks/Notes Site information sources
No. of Stories above/below ground5/0
Plan ShapeRectangular
Base Dimensions66' x 124'-8"
Typical Floor DimensionsSame as base dimensions
Design Date1967
Instrumentation1980. 13 accelerometers, on 5 levels in the building.
Vertical Load Carrying System3-1/2" concrete slab, Reinforced concrete pan joists, beams and columns.
Lateral Force Resisting SystemTransverse concrete shear walls at each end, longitudinal concrete frame on each side.
Foundation TypePrestressed concrete piles