Eruption at Hunga Tonga-Hunga Ha'apai volcano in Tonga started on December 19, 2021, and continued into 2022 although at a much lower intensity. The Aviation Color Code remains at Orange. Intermittent eruption with an ash plume rising up to 3 km (10 000 feet)…
New activity/unrest was reported for 5 volcanoes from December 22 to 28, 2021. During the same period, ongoing activity was reported for 17 volcanoes. New activity/unrest: Ambae, Vanuatu | Hunga Tonga-Hunga Ha'apai, Tonga Islands | Krysuvik-Trolladyngja, Iceland…
The Volcanic activity on Ambae Island has now increased from minor to major unrest level in December 2021. Accordingly, the Volcanic Alert Level increased from Level 1 to Level 2 on December 27. New analyses suggest that activity at the volcano has significantly…
Latest InSAR images near the Fagradalsfjall eruption site in Reykjanes Peninsula, Iceland show clear signs of deformation over the period from December 20 to 26, 2021. The deformation seen now is very similar to the deformation observed at the end of February 2021…
The eruption at Cumbre Vieja volcano in La Palma, Canary Islands, Spain was declared officially over on December 25, 2021 (VEI 3). With 85 days of eruptive process and 1 219 ha (3 012 acres) of land covered, this is now La Palma's longest eruption in 375 years…
An intense earthquake swarm that started near the Fagradalsfjall eruption site in Reykjanes Peninsula, Iceland on December 21, 2021 — just one day after the eruption was declared officially over — continues with no signs of abating. While no new lava flows have…
An intense earthquake swarm started near Fagradalsfjall, Reykjanes Peninsula, Iceland at 17:00 UTC on December 21, 2021 — just one day after the official end of the eruption in the area, the longest in the country in more than 50 years. The Aviation Color Code was…
Massive gaseous cloud produced by the eruption at Hunga Tonga-Hunga Ha'apai volcano in Tonga rose to an estimated altitude of 18 km (59 000 feet) above sea level, prompting Tonga Geological Services (TGS) to warn all citizens and tourists of possible acid rain…
A new eruption started at Piton de la Fournaise volcano, Reunion at around 23:30 UTC on December 21, 2021. The alert level was raised to 2-1. Trails in the upper part of the summit were closed for the public. The seismic crisis started at around 21:15 UTC,…
Seismicity at Great Sitkin volcano continues at low but above background levels and satellite data shows elevated surface temperatures. In addition, new SAR images from DLR show the lava flow field has grown to more than 1.3 km2 (0.5 mi2). The SE edge seems to have…
