The United States Geological Survey has started flying helicopters between 100 to 200 feet above the ground with a giant electromagnetic sensor ...
The U.S. Geological Survey will be conducting low-level helicopter survey flights over over norther Routt County and parts of ...
The project aims to expand the fundamental knowledge of geology and hydrology in Northwest and Southeast Louisiana, Central ...
An earthquake​ just off Maine today was felt in Boston and into Connecticut, Vermont and New Hampshire, according to a "shake ...