Active vents at White Island/Whakaari volcano in New Zealand are emitting substantial steam and gas plumes. The Volcanic Alert Level remains at 2 and the Aviation Color Code at Yellow.
New activity/unrest was reported for 5 volcanoes from March 1 – 7, 2023. During the same period, ongoing activity was reported for 16 volcanoes.
In response to increased seismicity beneath the Tanaga volcano detected on March 6 and 7, 2023, the Alaska Volcano Observatory (AVO) raised the Aviation Color Code to Yellow and the Volcano Alert Level to Advisory.
An earthquake with a magnitude of 4.4 struck beneath Lake Taupō, New Zealand on March 5, 2023, followed by more than 20 aftershocks. The Volcanic Alert Level remains at 1, which denotes minor volcanic unrest, and the Aviation Color Code is Green. Although there is no immediate risk, the potential for eruption hazards cannot be entirely ruled out, and it is essential that visitors and residents follow the recommended safety guidelines.
The Colombian Geological Service (SGC) found changes in vegetation and increased soil temperature during their inspection of the Cerro Machín volcano. The last eruption at this volcano took place in 1180 CE ± 150 years.
New activity/unrest was reported for 5 volcanoes from February 22 to 28, 2023. During the same period, ongoing activity was reported for 18 volcanoes.
On February 22, 2023, the Alaska Volcano Observatory (AVO) raised the alert level of Trident Volcano to ADVISORY and the Aviation Color Code to YELLOW due to an increase in seismic activity beneath the volcano. The last eruption at this volcano was in 1974 (VEI 3).
The Alaska Volcano Observatory (AVO) has raised the Aviation Color Code to YELLOW and the Volcano Alert Level to ADVISORY for Aniakchak volcano on February 23, 2023, following an increase in seismic activity. The last eruption at this volcano took place in 1931 (VEI 4).
New activity/unrest was reported for 5 volcanoes from February 15 to 21, 2023. During the same period, ongoing activity was reported for 17 volcanoes.
New activity/unrest was reported for 5 volcanoes from February 8 to 14, 2023. During the same period, ongoing activity was reported for 18 volcanoes.
