Information for Strong-Motion Station
Pasadena - 6-story Office Bldg
CGS - CSMIP Station 24541
Earthquakes recorded by this station
(Station Photograph - click to enlarge)(Sensor Layout - click to see PDF File)
Latitude 34.1462 N
Longitude 118.1480 W
Elevation (m) 255
Site Geology Deep alluvium
Vs30 (m/sec) - -
Site Class C
Remarks/Notes Site information sources
No. of Stories above/below ground6/1
Plan ShapeRectangular
Base Dimensions126' x 143'
Typical Floor Dimensions"U" shaped 117' x 125'
Design Date1906
Instrumentation1988. 16 accelerometers, on 4 levels in the building.
Vertical Load Carrying SystemSteel frame with unreinforced masonry walls. Floors consisting of hollow clay tile with concrete.
Lateral Force Resisting SystemUnreinforced masonry shear walls around the perimeter.
Foundation TypeSpread footings on deep alluvium soil.