Information for Strong-Motion Station
San Francisco - 58-story Resid. Bldg
CGS - CSMIP Station 58411
Earthquakes recorded by this station
(Station Photograph - click to enlarge)(Sensor Layout - click to see PDF File)
Latitude 37.7904 N
Longitude 122.3961 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 58/1
Plan ShapeRectangular
Base Dimensions142 x 99 ft
Typical Floor Dimensions142 x 99 ft
Design Date2006
Instrumentation2009, 32 accelerometers, 10 levels.
Vertical Load Carrying SystemConcrete slab supported by reinforced concrete columns and core shear walls.
Lateral Force Resisting SystemDual system comprised of a concrete shear wall core with outriggers and special concrete moment frames on the perimeter.
Foundation TypePrestressed precast concrete piles (80' long) with a 10' thick reinforced concrete pile cap.
RemarksAdjacent 12-story building is also instrumented.