The Volcano Observatory Notice to Aviation (VONA) is a notification product used by volcano observatories globally to inform ...

Volcano Watch” is a weekly article and activity update written by U.S. Geological Survey Hawaiian Volcano Observatory ...

The U.S. Geological Survey has kicked its Volcano Observatory Notices to Aviation into a new, aviation ready format that lets flight planning systems digest alerts about volcanic plumes and ash more ...

The alert level for Mauna Loa is currently “normal”; we expect to see additional changes such as increased seismicity or gas emissions before any future eruption. Even during quiet times, keeping a ...

ANCHORAGE, Alaska (KTUU) - The Alaska Volcano Observatory has seen an increase in volcanic gas emissions from Mount Spurr during flyovers in the last week. The observatory says that new magma has ...

Last month, the Hawai‘i County Civil Defense Agency, Hawai‘i Volcanoes National Park, and the U.S. Geological Survey Hawaiian Volcano Observatory adopted the Island of Hawai‘i Interagency Operations ...

As another school year ends, the USGS Hawaiian Volcano Observatory welcomes two new summer interns: Kamalani Poepoe and Ruth Gale. With an ongoing eruption at the summit Kilauea, now is the perfect ...

Hawaii's Kilauea volcano has erupted with giant lava fountains, lava bombs and toxic gas — and you can watch it all happen live. The U.S. Geological Survey (USGS) is live-streaming the eruption on its ...

The Kanlaon Volcano on the island of Negros in the Philippines, erupted on Thursday, sending plumes of ash into the air.