Yellowstone National Park Region Earthquake Listings

Recent Earthquake Listings (last 200+ earthquakes)
Format (GMT date, GMT time, latitude, longitude, depth(km), magnitude, distance to nearest town)

The data listed for each region have been reviewed by an analyst, but may not be final. The listings may include some blasts.

For Non-technical Users: Dates and times of earthquake occurrences are reported in Greenwich Mean Time (also known as UTC). Click here for how to convert to local time.
For Technical Users: The following earthquake listings are in Hy71 sum format. For an explanation of the data and format, click here. (Other formats, such as ArcInfo export and/or ArcView .shp files are being developed.)

Earthquake Listings

UUSS & USGS combined catalog 1973 - September 30, 2012 (39,003 earthquakes)

(note: the YNP network was not operational 1982-1983)

UUSS catalog 1982 - September 30, 2012 (32,797 earthquakes)

(note: the YNP network was not operational 1982-1983)

USGS catalog 1973 - 1981 (6,003 earthquakes)