Regional Information

National Seismic Hazard Maps

The USGS provides seismic hazard assessments for the U.S. and areas around the world.

Quaternary Faults

U.S. fault information, map-based or text-based lookups.

Did You Feel It?

If you felt an earthquake, report it here.

ANSS Regional Networks

The Advanced National Seismic System consists of a backbone network of seismic stations, regional networks, and urban networks.

National Earthquake Information Center (NEIC)

Earthquake information for the US and the World.

Albuquerque Seismological Laboratory (ASL)

Maintains and collects data from Global Seismic Network seismic instruments.

Northern California

Southern California

Pacific Northwest

Intermountain West

Central & Eastern US