Circular Area Search

Select Output File Type:

1. Expanded File Format with Headers and Spaces
2. Compressed File Format
3. Screen File Format (80 columns)
4. Spreadsheet Format (comma delimited)

Select the Data Base:

USGS/NEIC (PDE) 1973 - Present
    USGS/NEIC (PDE-Q) Most Recent Events ( 2009 12 03 - 2010 02 08 )
Significant Worldwide Earthquakes (2150 B.C. - 1994 A.D.)
(NGDC Significant Earthquake Database)
Significant U.S. Earthquakes (1568 - 1989)
California, 1735 - 1974
(California Historical Earthquake Online Database)
Canada, 1568 - 1992
(Canada's National Earthquake Database)
India, 1063 - 1984
Mexico, Central America, Caribbean, 1900 - 1979
South America, 1471 - 1981
Eastern, Central and Mountain States of U.S., 1534 - 1986

Input Circular Area Search Parameters:

Input SOUTH Latitudes and WEST Longitudes as NEGATIVE numbers.
Input latitude and longitude as decimal degrees.
Center Latitude
Center Longitude
Radius (km)

Optional Search Parameters:

Date
Starting Year Starting Month Starting Day
Ending Year  Ending Month  Ending Day

Magnitude
Minimum Magnitude Maximum Magnitude

Depth
Minimum Depth Maximum Depth

Intensity
Minimum Intensity Maximum Intensity