United States Geological Survey scientists have shared maps that show where ash would fall across the US if a Yellowstone ...

The strongest was a 3.4 magnitude quake that struck near San Bernardino, with more than 500 people feeling the quake.

Hundreds of users claimed that they noticed inaccuracies on USGS maps, which are primarily used during national hazards or ... s @USGS_Quakes earthquake map looks like garbage today?" ...

The U.S. relies heavily on China for imports, while its other adversaries have significant reserves of the increasingly ...

A preliminary earthquake measuring 3.9 on the Richter scale hit 31.1 kilometers southeast of Port Angeles, Washington near ...

Tsunami warnings issued after a powerful 7.6-magnitude earthquake rocked the Caribbean Sea have been cancelled, the US ...