Information for Strong-Motion Station
San Francisco - 6-story School Bldg
CGS - CSMIP Station 58479
Earthquakes recorded by this station
(Station Photograph - click to enlarge)(Sensor Layout - click to see PDF File)
Latitude 37.7626 N
Longitude 122.4588 W
Elevation (m) 140
Site Geology Weathered rock (sandstone/shale)
Vs30 (m/sec) 678 (inferred)
Site Class C
Remarks/Notes Site information sources
No. of Stories above/below ground6/0
Plan ShapeRectangular
Base Dimensions66'-7" x 126'+
Typical Floor Dimensions66'-7" x 182'
Design Date1968
Instrumentation1984. 13 accelerometers, on 6 levels in the building.
Vertical Load Carrying SystemReinforced concrete floor and roof slabs supported on concrete beams and columns.
Lateral Force Resisting SystemReinforced concrete floor and roof diaphragms. Reinforced concrete moment resisting frame with end shear walls.
Foundation TypeSpread footings and drilled concrete piers