SACRAMENTO, Calif. — For emergency planning purposes, scientists unveiled a hypothetical California scenario that describes a storm that could produce up to 10 feet of rain, cause extensive flooding (in many cases overwhelming the state’s flood-protection system) and result in more than $300 billion in damage. [Source: USGS Release, click for the rest of the release.]
Geologic Hazards
Sierra El Mayor (Baja) 7.2 Magnitude Earthquake
A magnitude 7.2 earthquake in the Baja region of Mexico on April 4, 2010 (Easter Sunday) caused significant damage in the towns of Mexicali and Calexico and was felt as far away as Phoenix, San […]
Geologic Hazards
New fault discovery in California could burst dam
The Martis Creek Dam is just outside of the town of Truckee California with a population of 16,000 people, but it is also upstream about 35 miles from Reno, Nevada the gambling town with a […]
Available Resources
New Geologic Map of California and Fault Activity Map of California Published
These geologic maps just released from the California Geologic Survey mark the 150th anniversary of the CGS. They can be viewed online in a very easy to use Google Maps interface. The previous Geologic Map […]