Hawaii Island’s Kīlauea Volcano erupted for the 43rd time on March 10, issuing a rare Ashfall Warning. This isn't the first time and there are other ashfall alerts that may also be issued when volcanic eruptions pose danger to residents.

Volcano Watch” is a weekly article and activity update written by U.S. Geological Survey Hawaiian Volcano Observatory scientists and affiliates. Today’s article is by Hawaiian Volcano Observatory research geophysicist Ingrid Johanson.

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,

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 quickly.

New seismic activity beneath Mount Teide is being monitored by scientists, with no immediate eruption risk for Tenerife.