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ANSS Comprehensive Earthquake Catalog (ComCat) Documentation
Developer’s Corner - Library of functions and wrapper scripts for accessing and using tools for the NEIC’s ComCat data
Significant Earthquakes Archive

Basic Options

Magnitude

Minimum
Maximum

Date & Time

Start (UTC)
End (UTC)

Advanced Options

Geographic Region

Decimal degree coordinates. North must be greater than South. East must be greater than West.

North
West
East
South

Circle

Center Latitude
Center Longitude
Outer Radius (km)

Depth (km)

Minimum
Maximum

Azimuthal Gap

Minimum
Maximum

Review Status

Any
Automatic
Reviewed

Event Type

Impact (PAGER, ShakeMap, DYFI)

Significance

Minimum
Maximum

PAGER Alert Level

Any
Green
Yellow
Orange
Red

ShakeMap MMI

Decimal numbers

Minimum
Maximum

Did You Feel It CDI

Decimal numbers

Minimum
Maximum

Number of DYFI? Responses

Minimum

Catalog

For more information on catalogs.

Contributor

For more information on contributors.

Product Type

For more information on product types.

Output Options

Format

CSV
KML
QuakeML
GeoJSON

QuakeML-Specific Options

Include all origins
Include all magnitudes

KML-Specific Options

Color by age
Color by depth
Animated

GeoJSON-Specific Options

Callback Option
Format errors as JSON(P)

Order By

Time - Newest First
Time - Oldest First
Magnitude - Largest First
Magnitude - Smallest First

Limit Results

Number of Events
Offset

Questions or comments?

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