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ANSS Catalog Search

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Use the form below to search the ANSS global earthquake catalog. Help with the form is available. Feel free to visit the earthquake maps and lists as well.

Select earthquake catalog - Input dataset and output format

Catalog in readable format
Readable 80-col format
Raw catalog format
Catalog in KML format
Catalog in CSV format

Select earthquake parameters

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:


When you use data from the ANSS catalog, 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 ANSS catalog. You can contact us via email at