Yellowstone National Park Region Seismicity Maps
http://www.seis.utah.edu/helicorder/yell_webi.htm

University of Utah Seismograph Stations


This University of Utah website provides numerous maps of the Yellowstone National Park area that show the location and magnitude of historical earthquakes. Time intervals include the previous day, week, 30-days, 90-days, year, 1973 to present, 1973-1981, and 1983 to present. The maps also include latitude and longitude, park boundary, and fault information.

This resource is referenced here:
Subject: Geoscience:Geology:Structural Geology:Geophysics and Structural Geology, Geoscience:Geology:Geophysics:Seismology
Resource Type: Audio/Visual:Maps, Datasets and Tools:Datasets
Topics: Solid Earth:Geophysics, Structural Geology:Geophysics and Structural Geology/Earthquakes/Seismic Reflection Profiling
Focus on Yellowstone: Yellowstone hazards, Seismicity, Deformation, geophysics