The United States Geological Survey (USGS) shows lava fountains shooting up high in the latest episode of an ongoing eruption ...

Volcanoes are rumbling as scientists monitor earthquakes at Washington's Mount Rainier and Alaska's Iliamna volcano.

NASA and USGS are mapping critical minerals in the American West using airborne sensors to help reduce U.S. reliance on ...

German soldiers never set foot on the speck of land at the far end of the Aleutian Islands during World War II, but the name ...

A 3.5-magnitude earthquake was reported in Alaska on Sunday (July 6), according to the United States Geological Survey. The ...

A minor, 3.7-magnitude earthquake struck in Southern California on Thursday. It was followed by a larger, 4.3-magnitude quake ...

The U.S. Geological Survey will conduct low-level helicopter flights over parts of southern Colorado to map critical minerals using airborne geophysical technology, beginning in mid-July. The ...

Edward R. Landa is an adjunct professor in the Department of Environmental Science and Technology at the University of Maryland-College Park, and a scientist (emeritus) with the US Geological Survey.