Authorities near Sicily's Mount Etna are bracing to control an influx of visitors this weekend, attracted by a two-week flow ...

One of the most active volcanoes in the world is Kilauea on the Big Island of Hawaii. It has been erupting on and off since Dec. 23.

A new radar-based volcano monitoring system developed by the University of Alaska Fairbanks and U.S. Geological Survey will ...

The Yellowstone Seismic Network is designed to record ground shaking due to earthquakes. But earthquakes aren’t the only ...

The last time it erupted was in 1992, and before that, 1953. Scientists at the Alaska Volcano Observatory have reported ...

Alaska, largely unspoiled wilderness, looks like something out of The Lord of the Rings.

The Alaska Volcano Observatory said a small explosive event happened at 7:26 p.m. They say a small amount of volcanic ash was ...

The program responds to volcanic eruptions internationally, collecting data and providing assistance to affected communities.

Mount Spurr is part of the Ring of Fire, located in southern Alaska. The mountain is a stratovolcano, which means it has ...

Kilauea, one of the world’s most active volcanoes, has been erupting on and off for nearly two months since it burst to life ...

Lava fountains from the north vent have reached 300 to 400 feet, feeding multiple lava streams onto the crater floor between ...

Video by USGS USGS HAWAIIAN VOLCANOES OBSERVATORY Lava is seen fountaining in Halemaumau crater this morning in this screenshot from a live stream. 2 /2 USGS HAWAIIAN VOLCANOES OBSERVATORY Lava is ...