Regional Information
Projects with Regional-based Information
NSHM icon National Seismic Hazard Maps
The USGS provides seismic hazard assessments for the U.S. and areas around the world.
Faults icon Quaternary Faults
U.S. fault information, map-based or text-based lookups.
Did You Feel It? icon Did You Feel It?
If you felt an earthquake, report it here.
Networks icon ANSS Regional Networks
The Advanced National Seismic System consists of a backbone network of seismic stations, regional networks, and urban networks.
Regional Offices
National Earthquake Information Center (NEIC)
Earthquake information for the US and the World.
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