New activity/unrest was reported for 3 volcanoes from May 12 to 18, 2021. During the same period, ongoing activity was reported for 24 volcanoes. New activity/unrest: Great Sitkin, Andreanof Islands (USA) | Sheveluch, Central Kamchatka (Russia) | Stromboli, Aeolian…
A notable increase in explosive activity started at Stromboli volcano, Italy at around 12:47 UTC on May 19, 2021, followed by a pyroclastic flow at 12:51 UTC that reached the coastline and traveled 1 km (0.62 miles) over the sea. Explosive activity at the volcano…
Strong strombolian activity resumed at Etna's Southeast Crater at 00:21 UTC on May 19, 2021, and evolved into the 18th paroxysmal eruptive episode since February 16 and the first since April 1. The entire event lasted about 5 hours. Strombolian activity…
Several small explosions were detected at Semisopochnoi volcano, Alaska on May 18, 2021, and a small ash cloud was observed in a satellite image acquired at 23:21 UTC on May 17. As a result, the Alaska Volcano Observatory (AVO) has raised the Aviation Color Code to…
A significant eruption took place at Sangay volcano, Ecuador at 09:40 UTC on Sunday, May 16, 2021, with ash moving north to an estimated height of 12.2 km (40 000 feet) a.s.l., according to the Washington VAAC. The farthest volcanic ash at 11:00 UTC was 55 km (35…
New activity/unrest was reported for 3 volcanoes from May 5 to 11, 2021. During the same period, ongoing activity was reported for 17 volcanoes. New activity/unrest: Bulusan, Luzon (Philippines) | Nevados de Chillan, Chile | Piton de la Fournaise, Reunion Island…
A high-level eruption took place at Sinabung volcano on May 13, 2021. The Aviation Color Code was raised to Red at 19:35 UTC. According to the Darwin VAAC, the volcanic ash is clearly identifiable on the latest satellite imagery, rising up to 12.9 km (40 000 feet)…
Above-background activity has been observed at the Great Sitkin volcano in Alaska, prompting the Alaska Volcano Observatory to raise the Aviation Color Code to Yellow and the Volcano Alert Level to Advisory on May 13, 2021. Elevated surface temperatures have been…
Scientists at the USGS Hawaiian Volcano Observatory are tracking changes on the Mauna Loa, the world's largest volcano. This volcano is currently not erupting, but there have been signs of elevated unrest above known background activity since July 2019, when HVO…
Lava flow at the Fagradalsfjall eruption site on Iceland's Reykjanes Peninsula has increased by around 70 percent, according to the latest data from the University of Iceland’s Institute of Earth Sciences (IES). Experts also noted that there are no signs…
