skip navigational links
You are here: Quake Home
spacer spacer
spacer spacer
icon of U.S. with earthquake waves

Real Time Earthquake Maps
bullet California-Nevada
  (with fault names)
bullet USA
bullet World

icon of U.S. with earthquake waves

Real-time Shaking Maps
For California earthquakes of Magnitude 3.5 and larger.
See also: 1906 San Francisco Earthquake ShakeMaps.

icon of U.S. with earthquake waves

Real-time Forecast of Earthquake Hazard
Maps showing the probability of strong shaking at any location in California within the next 24-hours.

icon showing 62% odds Earthquake Probabilities for the San Francisco Bay Area
USGS and other scientists conclude that there is a 62% probability of at least one magnitude 6.7 or greater quake, capable of causing widespread damage, striking the San Francisco Bay region before 2032.
Seismogram icon 1906 Earthquake Centennial Alliance
The centennial of the 1906 San Francisco earthquake will mark a century of progress in understanding earthquake hazards and reducing risks. The Alliance plans to highlight scientific achievements and commemorate the cultural and social response to this historic event. Learn more about The Great 1906 San Francisco earthquake.
FAQ icon Frequently Asked Questions
Have a question? We probably have the answer.

Earthquake News and Highlights

09/10/05 - New USGS Earthquake Preparedness Handbook

Magnitude 6.8 HOKKAIDO, JAPAN REGION September 11, 2008

Magnitude 6.6 HALMAHERA, INDONESIA September 11, 2008

Magnitude 6.9 VANUATU September 08, 2008

Magnitude 4.0 SAN FRANCISCO BAY AREA, CALIFORNIA September 06, 2008

09/02/08 - Earthquake Swarm Offshore British Columbia, Canada

07/30/08 - Southern Californians Urged to Join Largest Earthquake Drill in U.S. History

05/22/08 - Can We Predict Earthquakes? PodCast

Earthquake News & Highlights Archives »

Latest Quake Info
Real-time maps of recent earthquake activity in California, the nation and the world; real-time seismograms; regional earthquake activity reports; recent significant earthquakes.

General Quake Info
Earthquake basics and educational material; geological and historical information; links to professional and amateur organizations; online access to earthquake data.

Hazards & Preparedness
How to prepare your home, business and family for earthquake hazards; earthquake probabilities; shaking hazard maps; liquefaction hazard and earthquake engineering.

Earthquake Research
Current research activities and results in seismology, crustal structure and deformation, geology and borehole physics.

Special Features
Earthquakes in the news, special events and research developments of particular or topical interest.

Additional Resources
Links to other earthquake websites; "Ask-a-Geologist;" publication lists and bibliographies; ordering USGS products.

Search Quake Site:
Advanced Search