In what the agency hopes will spur a major leap in American geoscience, the U.S. Geological Survey has released a new mapping tool that allows anyone to peer into the earth beneath their feet. Dubbed ...

SACRAMENTO -- The California Geological Survey has released updated tsunami hazard maps for seven counties to help users determine whether they are in areas at risk for inundation and for planning.

The California Geological Survey announced Thursday a new, interactive tsunami hazard map is online for Orange County that officials say can be helpful in planning evacuations should one of the long, ...

California has remapped evacuation zones for regions, including parts of the Bay Area, that may be impacted on the rare chance a tsunami were to hit the state. The California Geological Survey on ...

A swarm of earthquakes shook the Bay Area on Monday, according to data from the U.S. Geological Survey. The largest of at ...