Etna entered August 2021 with continued growth at its Southeast Crater and impressive paroxysmal eruptive episode, the first since July 20. Strombolian activity at the crater gradually intensified into lava fountaining by 21:22 UTC on July 31. The episode lasted…
Local residents are reporting increased seismicity and light emissions from Pagan volcano, Northern Mariana Islands, prompting NMI/USGS to raise the Aviation Color Code to Yellow. The last eruption of this volcano took place in 2012 (VEI 2). Ground-based…
A strong explosive eruption took place at Stromboli volcano, Italy at 14:47 UTC on July 28, 2021. The explosion was energetically more intense than usual, INGV-OE said. Volcanic products were radially dispersed in the crater area with fallout along the Sciara del…
A strong eruption started at the Indonesian Sinabung volcano, North Sumatra at 06:20 UTC on July 28, 2021 (13:20 local time). The Aviation Color Code was raised to Red. According to Sinabung Volcano Observatory, the eruption lasted for about 12 minutes. Two volcanic…
Volcanic unrest has increased at Whakaari/White Island, with sustained greater heat flow and volcanic gas changes, prompting GeoNet to raise the Volcanic Alert Level to Level 2 and the Aviation Color Code to Yellow. There is still uncertainty about what is driving…
A lava dome-like feature formed in the summit crater of Great Sitkin volcano, Alaska, suggesting magma is rising near the surface. As a result, the Alaska Volcano Observatory (AVO) has raised the Aviation Color Code to ORANGE and the Volcano Alert Level to WATCH. A…
New activity/unrest was reported for 2 volcanoes from July 14 – 20, 2021. During the same period, ongoing activity was reported for 14 volcanoes. New activity/unrest: Suwanosejima, Ryukyu Islands (Japan) | Taal, Luzon (Philippines). Ongoing activity: Dukono,…
An ancient undersea volcano was discovered 280 km (175 miles) southeast of the Christmas Islands. The volcano was discovered by CSIRO’s dedicated ocean research vessel, the RV Investigator. "Previously unknown and unimagined, this volcano emerged from our…
Ash emission was observed at the Indonesian Sirung volcano, East Nusa Tenggara starting at 08:44 UTC (16:44 LT) on July 21, 2021. The last known eruption of this volcano took place in 2015, with ash rising up to 1.5 km (5 000 feet) above sea level. The best estimate…
New activity/unrest was reported for 6 volcanoes from July 7 to 13, 2021. During the same period, ongoing activity was reported for 15 volcanoes. New activity/unrest: Bagana, Bougainville (Papua New Guinea) | Krakatau, Indonesia | Pavlof, United States | Sarychev…
