Update No. 4 at 9:59 p.m. Jan. 24, 2026: National Weather Service forecasters in Honolulu downgraded the ashfall warning that ...

Scientists are monitoring a city of Chicago-sized swath of rising ground at the northern volcanic rim of the Yellowstone ...

Episode 41 of lava fountaining to more than 1,600 feet high as part of the ongoing episodic summit eruption of Kīlauea ...

Inside the McDermitt Caldera, a 16‑million‑year‑old volcanic crater straddling the Oregon–Nevada border, geologists have ...

Kīlauea summit region has been remarkably quiet, from an earthquake standpoint, since the current eruption began on the night ...

Volcanic activity bubbling away beneath the Yellowstone National Park in the US appears to be on the move. New research shows that the reservoirs of magma that fuel the supervolcano's wild outbursts ...

Hidden beneath an ancient volcanic basin on the Oregon and Nevada border, geologists say the United States may be sitting on ...

This stunning astronaut photo shows the natural beauty of Japan's Aso Caldera — a giant crater-like bowl containing 17 different volcanoes, leftover from major eruptions spanning over 200,000 years.

Kīlauea seems to be in a shaking kind of mood after Episode 40 of its ongoing episodic lava-fountaining eruption at the ...

The La Garita Caldera eruption was one of the three most destructive volcanic events in Earth’s history. It released ten ...

Caldera volcanic eruptions create geological hazards that affect many communities around the world. Geophysical, geochemical and remote sensing data have become essential for understanding the tectono ...

HAWAII VOLCANOES NATIONAL PARK, Hawaii -- A man has been injured after he fell into the caldera of the Kilauea volcano on Hawaii's Big Island, according to officials. The man fell from a 300-foot ...