Caltech is a global center for earthquake studies and is where the media turn for information when major quakes occur. Look here for information on the locations and magnitudes of the most recent big quakes around the world, for the latest research on earthquake dynamics, or for instructions on what you should do in case of a seismic event.

Caltech Seismological Laboratory

For general earthquake information, plus news on the latest quakes and earthquake research.

Media Relations: Earthquake Information

A key resource for reporters who are covering earthquakes.

Southern California Earthquake Data Center

Information on recent and past earthquakes in Southern California, including a map of earthquakes and known faults in the region.

Southern California Seismic Network

Information from the regional earthquake-monitoring network.

U.S. Geological Survey

Real-time information on earthquakes in the United States and throughout the world.

Community Seismic Network

A program that uses inexpensive seismic sensors to collect block-by-block data on ground-motion intensity before, during, and after earthquakes.

Earthquake Research Affiliates

Information on public and private partnerships in earthquake research.