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

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

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 ...

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

A 4.5-magnitude earthquake was reported in Alaska on Friday (July 11), according to the United States Geological Survey. The ...

Hawaiian Volcano Observatory field engineers on July 10, 2025, visited monitoring stations downwind of the Kīlauea summit ...

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.