Recent Earthquakes in the Intermountain West
http://www.seis.utah.edu/req2webdir/recenteqs/index.html

University of Utah Seismograph Stations


This website provides up-to-date information on recent earthquakes in the Intermountain West, including the greater Yellowstone area. Earthquakes for the past 7 days are shown. Symbols on the map indicate earthquake location, time, and magnitude. Users may select from a clickable map or choose from a linked list to obtain more in-depth information about an earthquake.

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