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.

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 4.5-magnitude earthquake was reported in Alaska on Friday (July 11), 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 ...

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.