Information for Strong-Motion Station
Irvine; Brinderson Tower No. 2
NSMP Station 5281
Earthquakes recorded by this station
(Station Photograph - click to enlarge)(Sensor Layout - click to see PDF File)
Latitude 33.6559 N
Longitude 117.8596 W
Elevation (m) 17
Site Geology  
Vs30 (m/sec)  
Site Class  
No. of Stories above/below ground13/2
Plan ShapeRectangular
Base Dimensions150x150 ft
Typical Floor Dimensions150x150 ft
Design Date1988
Instrumentation1992, currently 15 accelerometers on 4 levels of the building.
Vertical Load Carrying System6-inch thick concrete slab supported by steel beams and columns.
Lateral Force Resisting SystemDual steel moment frame/eccentrically braced frame system
Foundation TypeReinforced concrete spread footings supported by piles
RemarksReference: Dunand, F., Rodgers, J. E., Acosta, A. V., Salsman, M., Bard, P. Y., & Çelebi, M., 2004, Ambient vibration and earthquake strong-motion data sets for selected USGS extensively instrumented buildings. US Geol. Surv. Open-File Rept, 1375, 31, https://pubs.usgs.gov/of/2004/1375/.