Site Map/Alternate Navigation Skip to Main Content

125 Years of Sound Science, serving society

BRK - Haviland Hall, Berkeley, CA, USA

Station Name BRK
In Operation 1996/08/16 00:00:00 - Present
Latitude
Longitude:
Elevation: 49.40 meters
Instrumentation Broadband


  • Site

    Location

    BRK is located on the campus of UC Berkeley in Haviland Hall. Over the years, recording at 4 separate sites on campus have used the station name BRK - the Student Observatory (beginning in 1887), Bacon Hall, Doe Library, Haviland Hall, and McCone Hall.

    BRK was one of the original sites for the Wood-Anderson seismographs deployed in 1930. The Wood-Andersons were operated at this site until they were relocated to BKS in 1962.

    Network

    BK (Berkeley Digital Seismic Network)

    Geology

    Jurassic/Cretaceous Franciscan sandstone

    Vault/Borehole Conditions

    The instruments are sited in the sub-basement of Haviland Hall (a 2-story building) on the UC Berkeley campus. The piers were constructed when the building was built and were used over a number of years for various seismic instruments. In 1962, the Byerly vault was constructed and most of the critical instrumentation was relocated to BKS. The Seismological Laboratory decided to re-occupy the BRK site in 1994, in order to record data for comparison with historical paper records.

    This site is in an occupied building and is frequently noisy (particularly at high frequencies) during working hours. Although data acquisition began in 1994, only selected events were saved. Archiving of the data as a BDSN site began on 8/16/1996.

  • Plots & Figures

    Pictures

    Haviland Hall, UC Berkeley

    Haviland Hall, UC Berkeley

    Typical STS-2 installation

    Typical STS-2 installation

  • Instrumentation

    Table of Seismic Instrumentation

    SensorDataloggerSEED ChannelsLocation
    BroadbandStreckeisen STS-2 VBB Tri-Axial SeismometerQ330HR-GFEBH?,HH?,LH?,VH?00
    AccelerometerKinemetrics FBA ES-T Accel. GFE (2 g max 10 v/g)Q330HR-GFEHN?00
    AuxiliaryAntennaCurrentQ330HR-GFEVE?00
    ClockPhaseQ330HR-GFELC?,VC?00
    ClockQualityQ330HR-GFELC?,VC?00
    InputVoltageQ330HR-GFEVE?00
    SystemCurrentQ330HR-GFEVE?00
    SystemTemperatureQ330HR-GFEVK?00
    VCOValueQ330HR-GFEVC?00
  • Data & Metadata
  • Data Quality

    Noise Analysis

    View more noise plots