Visual observations have been a backbone of volcano research more than 2,000 years and remain fundamental to understanding how volcanoes work. Technological advancements — such as livestreaming ...

Many Hawaiʻi Island communities downwind from the eruptive vents in the southwest portion of Halemaʻumaʻu Crater inside the ...

When referred to as a gas, it means a volatile has transitioned into the vapor phase. The most common gases (or vapor phase volatiles) emitted at the surface are water (H2O), carbon dioxide (CO2), and ...

Kīlauea volcano in Hawaiʻi Island erupted dramatically, sending lava fountains reaching 1,300 feet high. This event marked ...

Since late 2024, Klauea has unleashed 42 episodic fountaining events, each typically lasting a day or less, separated by ...

Kilauea has been erupting episodically within the summit caldera since Dec. 23, 2024. Its USGS Volcano Alert level is WATCH.

HONOLULU (KHON) — A swarm of earthquakes beneath the south part of the Big Island of Hawaii, within Hawaii Volcanoes National Park, was reported Monday evening, raising concerns over whether Kīlauea ...

“Volcano Watch” articles over the past two weeks have described past episodic lava fountaining eruptions at Kilauea Iki (1959) and Maunaulu (1969). Next week, we will continue this series with a ...

KILAUEA, Hawaii – Hawaii’s Kilauea volcano erupted again on Wednesday for the 39th time in a year, continuing to be among one of the world’s most active volcanoes. The eruption began on the ...

In volcanoes, fluid inclusions are dominantly composed of CO 2. At magmatic temperatures (1200˚ C or 2192˚ F), the density of the CO 2 strongly depends on pressure, which is influenced by the depth of ...