Kilauea volcano in Hawaii begins Episode 42 of its summit eruption, with lava fountains confined to Halemaumau crater in ...

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 ...

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

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 ...

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

“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 ...

This map shows the tephra fall associated with episode 41 of Kilauea's episodic summit eruption, on Jan. 24. Tephra is a generic word for any material erupted by a volcano that travels through the air ...

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 ...

In the neighborhoods near the Kīlauea volcano, volcanic debris crushes under foot and car, crunching with every step. The 41st episode of the Big Island’s latest eruption threw ash and tephra, a ...

Iconic southern coastline sees surge in couples seeking dramatic volcanic backdrops for intimate ceremonies. Couples ...

Researchers from the National Autonomous University of Mexico (UNAM) recorded rising temperatures, increased gas emissions ...