A high-level eruption started at Hunga Tonga-Hunga Ha'apai volcano, Tonga on December 19, 2021, with a volcanic plume rising up to 6 km (20 000 feet) above sea level at 21:41 UTC, according to the Wellington VAAC. The Aviation Color Code was raised to Red….
Volcanic activity at Yasur volcano, Vanuatu continues at the major unrest state with ongoing volcanic gases and ashes emissions and an increase in activity recorded on December 18, 2021. The Volcanic Alert Level remains at Level 2. The latest data analysis indicates…
New activity/unrest was reported for 3 volcanoes from December 8 to 14, 2021. During the same period, ongoing activity was reported for 13 volcanoes. New activity/unrest: Awu, Sangihe Islands (Indonesia) | Davidof, United States | Semeru, Eastern Java (Indonesia)….
The Indonesian Center for Volcanology and Geological Hazard Mitigation (CVGHM) has raised the Alert Level for Awu volcano from 1 to 2 (Alert) on December 12, 2021, due to increased seismic activity detected since October. The last eruption at this volcano took place…
Explosive activity accompanied by abundant ash emission resumed at Etna volcano at 11:15 UTC on December 14, 2021. Ash is dispersing south of the crater. Today's activity comes just a day after a small lava flow appeared at a new vent on Etna's eastern…
Data acquired last week during an observation flight over White Island volcano shows a significant increase of the active vent temperature to just over 500 °C (932 °F). The state of moderate to heightened unrest continues at the volcano and the Volcanic…
Due to the possibility of escalating volcanic events associated with a swarm of earthquakes in the vicinity of Davidof volcano in Alaska, the Alaska Volcano Observatory (AVO) has raised the Aviation Color Code and the Volcano Alert Level for Davidof volcano to…
New activity/unrest was reported for 4 volcanoes from December 1 to 7, 2021. During the same period, ongoing activity was reported for 15 volcanoes. New activity/unrest: Ambae, Vanuatu | Nyiragongo, DR Congo | Sangay, Ecuador | Semeru, Eastern Java (Indonesia)….
The Alaska Volcano Observatory (AVO) has observed a change from the long-term deformation pattern at Okmok volcano as measured by two continuous Global Navigation Satellite Systems (GNSS) stations within the caldera between September and November 2021. The…
The Icelandic Met Office (IMO) has raised to Aviation Color Code for Grímsvötn volcano from Yellow to Orange on December 6, one day after the glacial flood from Grímsvötn reached its peak discharge. By definition, the Aviation Color Code is…
