USGS Earthquake Hazards Program-Northern California

You are here: Quake Home

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

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

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

	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.

	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.

	Frequently Asked Questions Have a question? We probably have the answer.

Earthquake News and Highlights

09/10/05 - New USGS Earthquake Preparedness Handbook

Magnitude 7.9 EASTERN SICHUAN, CHINA May 12, 2008

Magnitude 6.7 GUAM REGION May 09, 2008

Magnitude 6.8 NEAR THE EAST COAST OF HONSHU, JAPAN May 07, 2008

Magnitude 6.6 ANDREANOF ISLANDS, ALEUTIAN IS., ALASKA May 02, 2008

Magnitude 5.4 NORTHERN CALIFORNIA April 30, 2008

Magnitude 4.7 NEVADA April 26, 2008

04/21/08 - USGS News Release: Earthquake Hazard Maps Show How the Nation Shakes with Quakes

Magnitude 5.2 ILLINOIS April 18, 2008

04/18/08 - Offshore Oregon Sequence: March-April 2008

04/14/08 - Forecasting California Earthquakes: What Can We Expect in the Next 30 Years?

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

Homepage | Site Index | Contact Us | About Us | USGS Earthquake News Releases