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.

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,

HONOLULU — Hawaii's Kilauea volcano resumed erupting Friday by shooting an arc of lava 100 feet (30 meters) into the air and across a section of its summit crater floor. It was Kilauea's 31st display of molten rock since December, an appropriately high ...

Spectacular videos show several volcanoes erupting and spewing fiery lava. Guatemala's Volcan de Fuego, meaning volcano of fire, began spouting a constant stream of molten lava on February 23. It's one of three active volcanoes in the country and lies 28 ...