Northern California
Earthquake Catalog Search

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Use the form below to select earthquake catalog info, phase data or mechanism info from one of several catalogs at the Northern California Earthquake Data Center.

Select Input Catalog:

Select Output Format:

Select Earthquake Parameters:

Start date,time:

End date,time:

Min magnitude: Max magnitude:

Min depth (km): Max depth (km):

Min latitude: Max latitude:

Min longitude: Max longitude:

Event Types: Earthquakes Blasts (Quarry or Nuclear) All Events

Include Events with no reported Magnitude:

Additional search parameters may be typed into the box below.

Select output mechanism

If you expect the search to generate a lot of output, you should either set your browser to download to a file, or select the anonymous FTP option.
Send output to my browser.
Send output to an anonymous FTP file on the NCEDC.

Line limit on output:

PLEASE NOTE *

Our catalogs are maintained in compressed files, which means that a search that span multiple years may take a long time (eg minutes). Please be patient, and wait for the result of your search.

Acknowledgements

When you use data from the NCEDC, please provide a proper acknowledgement of the data source.

Questions, Comments, and Feedback

We encourage you to contact us with questions,comments and feedback concerning the NCEDC. You can contact us via email at www@ncedc.org

Northern California Earthquake Data Center
215 McCone Hall, UC Berkeley
Berkeley CA 94720-4760

www@ncedc.org

Northern California Earthquake Catalog Search

******** PLEASE NOTE *********

Acknowledgements

Questions, Comments, and Feedback

Northern California
Earthquake Catalog Search

PLEASE NOTE *