Geologic mapping has been one of the most fundamental mandates of the U.S. Geological Survey (USGS) since its establishment ...

The volcano, which erupted again on Thursday, has spewed ash over the surrounding Indonesian island of Flores. Satellites captured the devastation from space.

The cities with volcanoes include Portland, Oregon, Bend, Oregon, Jackson, Mississippi, Honolulu, Hawaii, and Prescott Valley ...

Scientists aboard a U.S. Coast Guard icebreaker have discovered something unusual in the Arctic Ocean off northern Alaska: a ...

New Jersey was once home to a fiery volcano roughly the size of Mount St. Helens – that sits in the same county as a newly mapped fault line. Rutan Hill, in Wantage, NJ, appears to be and is ...