Echinus Geyser in Yellowstone National Park, a rare acidic geyser and the largest in the world, has recently been observed ...

Visual observations have been a backbone of volcano research more than 2,000 years and remain fundamental to understanding ...

Lava fountains from a fissure in the Northeast Rift Zone of Maunaloa during the 2022 eruption. It was the first time in 38 ...

A 33-year-old Hawaiʻi man has died after being found in a closed area of Hawaiʻi Volcanoes National Park last week. Park ...

Fluid inclusions in volcanoes are dominantly composed of carbon dioxide. At magmatic temperatures — 2,192 degrees — the density of the carbon dioxide strongly depends on pressure, which is influenced ...

Alaska’s Mount Spurr volcano continues to show signs of unrest, and that has led to an alert level increase in the city of Anchorage as fears of an impending eruption grow.

Most webcams used by the USGS Hawaiian Volcano Observatory take a snapshot every few minutes to conserve bandwidth, but three webcams are currently “livestreaming” — meaning they transmit real-time ...

Episode 34 of the ongoing Halemaumau eruption wrapped up abruptly just after 7 a.m. today, only six hours after fountains first roared to life inside Kilauea’s summit crater. The U.S. Geological ...

Add Yahoo as a preferred source to see more of our stories on Google. Hawaii's Kilauea volcano, one of the most active in the world, is about to erupt again, according to the United States Geological ...

The Iliamna Volcano in Alaska is more than 10,000 feet (3,053 meters) above Cook Inlet, and recently, it has been active. The volcano felt tremors from the signature of avalanches big enough to ...

Peak fountain heights were at 1,300 ft. for the south vent and 1,000 ft. for the north vent, with the plume reaching 35,000 ...

KILAUEA, Hawai'i (Island News) -- On the Island of Hawaiʻi, it’s hard to believe nearly a year has passed since Kīlauea began its stunning run of episodic summit eruptions. Since then, Halemaʻumaʻu ...