Information for Strong-Motion Station
San Francisco - 12-story Resid. Bldg
CGS - CSMIP Station 58412
Earthquakes recorded by this station
(Station Photograph - click to enlarge)(Sensor Layout - click to see PDF File)
Latitude 37.7908 N
Longitude 122.3957 W
Elevation (m) --
Site Geology Deep alluvium over rock (Franciscan)
Vs30 (m/sec) 243 (measured)
Site Class D
Remarks/Notes Site information sources
No. of Stories above/below ground 12/5
Plan ShapeRectangular
Base Dimensions183 x 171 ft
Typical Floor Dimensions130 x 80 ft
Design Date2006
Instrumentation2009, 12 accelerometers, 4 levels.
Vertical Load Carrying SystemConcrete slab supported by reinforced concrete columns and shear walls.
Lateral Force Resisting SystemConcrete shear walls at core, as well as perimeter concrete walls at the basement levels.
Foundation TypeReinforced concrete mat foundation that varies between 6' and 8' thick.
RemarksAdjacent 58-story building is also instrumented.