California Geological Survey

People look at sunk boats from a tsunami surge in a harbor on March 11, 2011 in Santa Cruz. (Kim White/Getty Images)

Vulnerable California Harbors Prepare For Future Tsunamis

Next week marks 50 years since a magnitude 9.2 earthquake in Alaska triggered a tsunami that killed 12 people in Northern California. Scientists are mapping five vulnerable harbors, including Santa Cruz and Crescent City, so managers can come up with better emergency plans.


California Earthquake generic

Fewer Geologists Monitoring California Quakes Due To Government Shutdown

California earthquake monitoring may be taking a hit during the partial federal government shutdown. In Menlo Park doors were locked as all but 43 of 8,600 full-time staffed geologists with the U.S. Geological Survey were furloughed.



State Unveils New South Bay Quake Danger Maps

The California Department of Conservation has released a map for local government officials to see what areas in San Jose and Santa Clara County are vulnerable to earthquakes and where to take precautions when planning construction projects, a spokesman said.


An Alquist-Priolo Earthquake Fault Zone Maps (California Geological Survey)

New Online Maps Show California Homes On Active Faults

The California Geological Survey has made detailed maps of places where the ground can split during an earthquake available online.