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A large crack divides an asphalt road in the aftermath of an earthquake.
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Earthquake Information for the Media

For the Press

Seismologists from Caltech and the U.S. Geological Survey (USGS) will typically be available to reporters for interviews, and may conduct briefings in the Media Center at the Caltech Seismological Laboratory (Seismolab), immediately following widely felt local and regional quakes and significant international quakes.

If you are a member of the media and you want to find out if the center is open, schedule an interview, or have questions about recent quakes, call the 24-hour earthquake hotline at (626) 449-2631.

If you are a member of the general public seeking information about a recent earthquake, please do not call the hotline. Instead, visit the U.S. Geological Survey's Latest Earthquake page.

Media Center

The Media Center at the Caltech Seismological Laboratory is located on the northeast corner of California Boulevard and Wilson Avenue in Pasadena, on the second floor of the South Mudd building, room 269. Media trucks can park on the sidewalk, from which they can access an outside audiovisual panel that allows for video feeds to the trucks.

For Everyone

Backup Sites

In the event of a major earthquake, the main USGS websites may become overloaded with traffic. The same information is available on the following sites: