Information for Strong-Motion Station
Watsonville - 4-story Commercial Bldg
CGS - CSMIP Station 47459
Earthquakes recorded by this station
Ambient Records for CE47459
(Station Photograph - click to enlarge)(Sensor Layout - click to see PDF File)
Latitude 36.9091 N
Longitude 121.7575 W
Elevation (m) 9
Site Geology Fill over alluvium
Vs30 (m/sec) 271 (inferred)
Site Class D
Remarks/Notes Site information sources
No. of Stories above/below ground4/0
Plan ShapeRectangular
Base Dimensions74'-7" x 70'-6 1/2"
Typical Floor DimensionsSame as base dimensions
Design Date1948 & 1955
Instrumentation1982. 13 accelerometers, on 3 levels in the building.
Vertical Load Carrying SystemConcrete slabs supported by steel frames.
Lateral Force Resisting SystemConcrete Shear Walls
Foundation TypeSpread footings
Remarks4th story was added in 1955.