CISN: Earthquake Information

The CISN is dedicated to improving seismic monitoring through statewide coordination, robust operation, rapid and reliable earthquake reporting, and seamless access to earthquake and engineering strong-motion information archives.

Note: In addition to Web-based access to earthquake information below, first responders, emergency managers, and critical lifeline organizations may want to explore two software packages that provide reliable access to earthquake information from the CISN and other networks. Please see software for earthquake notification.

ShakeMaps

Northern California (multiple sites for USGS/UC Berkeley)
Southern California (multiple sites for USGS/Caltech)
- CISN Web site
- USGS
California maps from the California Geological Survey
Nevada
Pacific Northwest
Utah

Felt Reports

CISN Earthquake Reports

Data Centers

Seismological
Engineering

Earthquake Maps & Lists

California & Nevada Maps
- Recenteqs Map (with shaded topography)
- Regional maps
- Lists of events
  - All recent events
  - M3.0 and larger events
Oregon & Washington Map
USA Map
World Map

Seismocams

Northern California ( NCSN | BDSN )
Southern California's webicorder
Nevada
Global
Special Interest
- Memento Mori
- Make Your Own Seismogram

Searchable earthquake catalogs

Signup for earthquake notification