Information for Strong-Motion Station
Sacramento - 25-story Office Bldg
CGS - CSMIP Station 67900
Earthquakes recorded by this station
(Station Photograph - click to enlarge)(Sensor Layout - click to see PDF File)
Latitude 38.5817 N
Longitude 121.4918 W
Elevation (m) 8
Site Geology Deep alluvium
Vs30 (m/sec) - -
Site Class D
Remarks Site information sources
No. of Stories above/below ground25/1
Plan ShapeL-shaped
Base Dimensions253' x 252'
Typical Floor DimensionsRectangular 228' x 127'
Design Date1998
Instrumentation2000. 15 accelerometers, on 5 levels in the building.
Vertical Load Carrying System4.5" (typical floor) concrete over metal deck supported by beams and columns.
Lateral Force Resisting SystemSteel x-braced frames and moment frames (with cover plates) in the transverse direction; steel moment frames (dog bone) in the longitudinal direction.
Foundation TypeSteel columns are supported on group of piles with tie beams. Piles are 14" square prestressed concrete piles, about 60 feet long.
RemarksThis building serves as the headquarters for the California Environmental Protection Agency (Cal/EPA).