Information for Strong-Motion Station
San Bernardino; County Services Center
NSMP Station 5245
Earthquakes recorded by this station
(Station Photograph - click to enlarge)(Sensor Layout - click to see PDF File)
Latitude 34.1072 N
Longitude 117.2876 W
Elevation (m) 317
Site Geology  
Vs30 (m/sec)  
Site Class  
No. of Stories above/below ground5/0
Plan Shapeirregular
Base Dimensions255 x 240 ft (L-shaped)
Typical Floor Dimensions255 x 240 ft, the NS dimension (255 ft) reduces to 77 ft at the roof level
Design Date1982
Instrumentation1987, 15 accelerometers on 4 levels of the building, and one triaxial accelerometer at free-field site
Vertical Load Carrying SystemConcrete fill over steel deck supported by a system of steel beams and steel columns.
Lateral Force Resisting SystemSteel moment-resisting frame in the EW drection and steel concentrically braced frames in the NS direction.
Foundation TypeReinforced concrete spread foundations connected by tie and grade beams.