Seismic Map for Yellowstone
http://www.seis.utah.edu/req2webdir/recenteqs/Maps/Yellowstone.html

Earthquake Hazards Program, U.S. Geological Survey


A map of known hazardous faults and fault zones in Yellowstone National Park plotted with real-time earthquake data. The earthquake epicenters can be clicked for more information.

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