Information for Strong-Motion Station
Palo Alto - 2-story Office Bldg
CGS - CSMIP Station 58264
Earthquakes recorded by this station
(Station Photograph - click to enlarge)(Sensor Layout - click to see PDF File)
Latitude 37.4531 N
Longitude 122.1134 W
Elevation (m) 2
Site Geology Deep alluvium
Vs30 (m/sec) 208 (measured)
Site Class D
Remarks/Notes Site information sources
No. of Stories above/below ground2/0
Plan ShapeRectangular
Base Dimensions154'-6" x 78'-6"
Typical Floor DimensionsSame as base dimensions
Design Date1973
Instrumentation1976. 7 accelerometers, on 2 levels in the building.
Vertical Load Carrying SystemFloor: 1-1/2" light-weight concrete over 3/4" plywood; Roof: 1/2" Plywood 36" trust joists @ 24" o.c.; interior steel tube columns.; exterior glulam columns.
Lateral Force Resisting SystemGrouted masonry walls at N and S ends in both directions
Foundation TypeConcrete spread footings