Seismological Laboratory Division of Geological and Planetary Sciences

Earthquake Information

General Education Tools

Frequently Asked Questions About Earthquakes

Putting Down Roots in Earthquake Country

Satellite based, interferometric synthetic apeture radar measurements How earthquakes look from space. Satellite-based, interferometric synthetic aperture radar measurements: This image shows ground displacement in the October 1999, Mw 7.1 Hector Mine Earthquake, Southern California. Each color represents 2.5 cm of motion of the ground in a direction towards the satellite. (Research by: Prof. Mark Simons, Yuri Fialko & Luis Rivera)

Faults & History of Southern California Earthquakes

Southern California Earthquake Data Center
(SCE Data Center)

IRIS Educational Outreach

Spanish Language Outreach

  • Joann Stock classroom

    USGS - Learning Web

    Seismological Society of America (SSA)

    - Web Version
  • for magnitude 5.0+ local events
  • Earthquake Catalogs: 1932 - present SCSN (Southern California Seismic Network) -
  • US Geological Survey (USGS)

    is part of Caltech's Office of Public Relations and can help anyone from the media, whether it is setting up an interview with a Caltech professor or scientist, referencing background on some particular research, or simply checking on a fact about the Institute.
  • Tours &Hands-On Exhibits

    Caltech Seismological Laboratory

    Discovery Science Center - Orange County

    California Science Center - Exposition Park, Los Angeles County

    • Hands-on Earthquake Exhibit -

    The American Red Cross

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    Coping with Children's Reactions to Earthquakes

    Welcome to California

    Protect Your Pets

    Putting Down Roots in Earthquake Country

    Earthquake Preparedness

    Earthquake Country

    Southern California Earthquake Center