ANSS - Advanced National Seismic System

California Region

Region Partners

Caltech Seismological Laboratory Logo    CISN Logo    Berkeley Seismological Lab Logo

CISN - California Integrated Seismic Network
California Geological Survey
Caltech Media Relations


The mission of the California Integrated Seismic Network (CISN) is to operate a reliable, modern, statewide system for earthquake monitoring, research, archiving, and distribution of information for the benefit of public safety, emergency response, and loss mitigation. Further, the CISN seeks to mitigate the impact of future earthquakes by collecting, processing, and disseminating critical earthquake information in a timely way.

CISN Stations

Map Key

Contact Info

Northern California

  • USGS Menlo Park Science Center
    345 Middlefield Rd. MS-977
    Menlo Park, CA 94025

    Phone: (650) 329-4668 or (800) 329-4085
  • California Geological Survey
    801 K Street MS-12-3
    Sacramento, CA 95814-3531

    Phone: (914) 445-1825
  • Berkeley Seismological Lab
    215 McCone Hall, UC Berkeley
    Berkeley, CA 94720-4760
    Phone: (510) 642-3977

Southern California

  • USGS Pasadena Field Office
    525 S. Wilson Ave.
    Pasadena, CA 91106

    Phone: (626) 583-7811
  • Caltech Media Relations
    315 Hill St.
    Pasadena, CA 91106

    Phone: (626) 395-3227
  • Caltech Seismological Lab
    MS 252-21
    Pasadena, CA 91125
  • OES Earthquake Program
    Governor's Office of Emergency Services
    724 Mandana Boulevard
    Oakland, California 94610-2421
  • Governor's Office of Emergency Services
    1200 East California Blvd., MC 252-21
    Pasadena, CA 91125