ANSS Recent Earthquakes in the US
http://earthquake.usgs.gov/recenteqs/

Earthquake Hazards Program, USGS


This Advanced National Seismic System (ANSS) site from the USGS features an interactive map of the last week's earthquakes in the US. Earthquakes are labeled by occurrence time and magnitude. Additional data is available about each quake, as well as links to an earthquake glossary, shake maps, seismogram displays, animations and data sources.

This resource is referenced here:
Subject: Geoscience:Geology:Geophysics:Seismology, Geoscience:Geology:Structural Geology:Geophysics and Structural Geology
Resource Type: Audio/Visual:Maps, Animations/Video, Datasets and Tools:Datasets
Special Interest: Visualization
Data Derived: Data Derived
Data Source: Observational Data
Topics: Solid Earth:Structural Geology:Geophysics and Structural Geology/Earthquakes/Seismic Reflection Profiling