The left map shows the tephra fall associated with Kilauea’s episodic summit eruption, from December 2024 to December 2025.

Volcano Alert Level: Watch. Kīlauea has erupted episodically since Dec. 23, 2024, within the summit caldera located within ...

PORTLAND, Ore. (KOIN) – Researchers from the University of Oregon found a new type of volcanic eruption after studying a series of devastating explosions from Hawai’i’s Kīlauea volcano in 2018. While ...

On the flanks of Washington State Mount Rainier, a spike in seismic rumbling has revived an old, unsettling question for the ...

Is there anything more spectacular than a towering lava fountain? Think about what it is: glowing red molten rock being shot into the sky, potentially hundreds or thousands of feet. As ubiquitous and ...

Volcanic lightning is a striking and multifaceted phenomenon that occurs during explosive eruptions, when vigorous interactions between fragmented ash particles, volcanic gases and environmental ...

A new study based on the sampling and analysis of volcanic ash at Cumbre Vieja volcano in the Canary Islands, located off Africa's northwest coast, suggests that the composition of magma could drive ...

The January 15, 2022, eruption of Hunga Volcano in Tonga continues to break records. According to a new study, the eruption created a “supercharged” thunderstorm that produced the most intense ...

Volcano Watch” is a weekly article and activity update written by US Geological Survey Hawaiian Volcano Observatory scientists and affiliates. On Dec, 23, 2024, a unique eruption began in Kīlauea’s ...