The Volcano Observatory Notice to Aviation (VONA) is a notification product used by volcano observatories globally to inform the aviation community (pilots, air traffic managers, dispatchers, meteorologists,

U.S. Geological Survey is designated by the Federal Aviation Administration as the entity to issue Volcano Observatory Notices to Aviation within the United States, a duty that comes along with the responsibility to follow content and format requirements established by the International Civil Aviation Organization.

One of the most deadly and dangerous volcano hazards isn’t lava. Mudflows called lahars can come without clear warning.

The massive 2018 eruption of Kīlauea Volcano on Hawai‘i Island lasted for months, destroyed neighborhoods, and was associated with 60,000 earthquakes. A new study led by researchers at the University of Hawai‘i (UH) at Mānoa revealed Kīlauea’s ...

The number 43 is for Episode 43 of the ongoing Kīlauea volcano episodic summit eruption that ejected that tephra during just more than 9 hours of sustained high lava fountaining that began shortly after 9 a.m. and ended just before 6:30 p.m.

A person has died after reportedly entering a closed-off area near the Kilauea volcano within Hawaiʻi Volcanoes National Park. It happened on the east side of Kilauea caldera within the national park.

Volcanic eruptions are one of the greatest single short-term threats to air travel, but a groundbreaking solution to managing their impact has finally been unveiled. In 2010, the eruption of the Eyjafjallajökull volcano on Iceland sent thick plumes of ...

Hawaii Volcanoes National Park has closed the Kīlauea summit and state officials shut down the main road to the volcano.