Information for Strong-Motion Station
Berkeley - 3-story N. Office Bldg
CGS - CSMIP Station 58621
Earthquakes recorded by this station
(Station Photograph - click to enlarge)(Sensor Layout - click to see PDF File)
Latitude 37.8737 N
Longitude 122.2688 W
Elevation (m) 63
Site Geology Alluvium
Vs30 (m/sec) - -
Site Class C
Remarks Site information sources
No. of Stories above/below ground 3/0
Plan ShapeRectangular
Base Dimensions58 x 91 ft
Typical Floor Dimensions48 x 91 ft
Design Date1994
Instrumentation2016, 6 accelerometers on 3 levels of the structure.
Vertical Load Carrying SystemPlywood deck supported by wood and steel framing at the Roof and Third Floor. 9.5" post-tensioned concrete slab supported by reinforced concrete and CMU walls and columns at Second Floor.
Lateral Force Resisting SystemWood-framed plywood shearwalls at interior and exterior locations at Second and Third Floors. Reinforced concrete and CMU shearwalls at interior and exterior locations at First Floor.
Foundation TypeContinuous concrete footings at perimeter and interior CMU and concrete walls. Isolated concrete spread footings at interior columns.
RemarksThis building was designed in accordance with the 1991 UBC. The adjacent building is CSMIP Station #58620. It is also a wood framed building, however it is isolated.