Several strong earthquakes struck off the coast of Russia on Sunday, eliciting a brief tsunami watch for the state of Hawaii.

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.

Officials of the California Geological Survey marked the agency's 150th anniversary Tuesday by releasing two updated maps revealing the latest information on all the state's active seismic faults ...

The California Geological Survey released the new maps showing people whether they live in a tsunami hazard area or an area where flooding could occur from extreme tsunami events.

Mapping technology is infinitely better than it used to be, but satellites and LiDAR can never recapture the craft that went into making old-school US Geological Survey Maps. Instead, graphic ...

Updated tsunami hazard maps for Orange County will aid in planning evacuations should such a wave threaten local communities, the California Geological Survey said. The map is an update of the ...

A moderately strong, 5.7-magnitude earthquake struck in Guatemala on Tuesday, according to the United States Geological ...

D has been used as a pesticide since the 1940s, and gained notoriety as a component of Agent Orange, used by U.S. forces in the Vietnam War.

Developed by the California Geological Survey, these regulatory Alquist-Priolo Earthquake Fault Zone maps detail where local governments must require site-specific geologic and engineering studies ...