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

Honolulu — Hawaii's Kilauea volcano resumed erupting on Tuesday, firing lava 330 feet into the sky from its summit crater. It's the 32nd time the volcano has released molten rock since December, ...

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 ...