Regional Information
Projects with Regional-based Information
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National Seismic Hazard Maps
The USGS provides seismic hazard assessments for the U.S. and areas around the world.
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Quaternary Faults
U.S. fault information, map-based or text-based lookups.
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Did You Feel It?
If you felt an earthquake, report it here.
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ANSS Regional Networks
The Advanced National Seismic System consists of a backbone network of seismic stations, regional networks, and urban networks.
Regional Offices
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National Earthquake Information Center (NEIC)
Earthquake information for the US and the World.
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Albuquerque Seismological Laboratory (ASL)
Operates and maintains the USGS Global Seismographic Network and the ANSS backbone network.
Northern California
Southern California
Pacific Northwest
Intermountain West
Central & Eastern US