Information for Strong-Motion Station
OR Portland - VAMC, Bldg 100
NSMP Station 2191
Earthquakes recorded by this station
(Station Photograph - click to enlarge)(Sensor Layout - click to see PDF File)
Latitude 45.4970 N
Longitude 122.6840 W
Elevation (m) 153
Site Geology  
Vs30 (m/sec)  
Site Class  
No. of Stories above/below ground9-story steel structure
Plan ShapeIrregular
Base Dimensions375'x205'
Typical Floor Dimensions375'x85'
Design DateInitial Design - 1983
Instrumentation2010: 39 accelerometers on 12 levels in the building.
Vertical Load Carrying SystemSteel moment frame
Lateral Force Resisting SystemSteel moment resisting frame
Foundation TypeColumns isolated on spread footings
RemarksThis building was instrumented as part of the VA/USGS Hospital Instrumentation Project.