Federal officials at the US Geological Survey instituted a “media blackout” in the waning days of Joe Biden’s presidency amid ...

Was that an earthquake you just felt or merely a big truck rumbling by? You don't have to wonder thanks to the U.S.

Low-level airplane flights begin as soon as late July over the Black Hills and Bear Lodge areas of Wyoming and South Dakota ...

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 1.6 magnitude earthquake occurred west of Morris Plains at around 5:40 a.m., according to the U.S. Geological Survey's ...

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.

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 ...

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 ...