Information for Strong-Motion Station
Alameda - Alameda Hospital
CGS - CSMIP Station 58396
Earthquakes recorded by this station
(Station Photograph - click to enlarge)(Sensor Layout - click to see PDF File)
Latitude 37.7627 N
Longitude 122.2541 W
Elevation (m) 3
Site Geology Alluvium
Vs30 (m/sec) - -
Site Class E
Remarks/Notes Site information sources
No. of Stories above/below ground 3/0
Plan ShapeRectangular (w/ reentrant corner)
Base Dimensions125 x 150 ft
Typical Floor Dimensions125 x 150 ft
Design Date1981
Instrumentation2008, 12 accelerometers on 4 levels and penthouse roof, and 3 at a reference free-field site.
Vertical Load Carrying SystemConcrete over steel deck supported by steel beams and columns.
Lateral Force Resisting SystemSteel moment resisting frames distributed in both directions. The moment connections are pre-Northridge type.
Foundation TypeSteel columns are supported by concrete pile caps tied with concrete grade beams. Each pile cap is supported by 2 to 3 prestressed precast concrete piles (12" square).
RemarksThe building was designed according to the 1976 UBC and was instrumented as part of OSHPD/CSMIP agreement to instrument hospitals in California.