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

MANILA, Philippines – Bulusan Volcano in Sorsogon was placed under Alert Level 1 after weeks of increased seismic activity, ...

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, ...

A group of specialists briefly stopped by Sitka to attend to much-needed maintenance of tectonic shift-tracking equipment.

The 2022 eruption of Mauna Loa was an extraordinary eruption in a lot of ways. It was the first eruption from this volcano in 38 years and the first Mauna Loa eruption that occurred during the current ...