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…
A new powerful paroxysmal eruptive episode (lava fountaining) took place at Etna volcano, Italy on July 14, 2021. The Aviation Color Code was raised to Red at 10:22 UTC. Estimated volcanic cloud height rose to more than 9 km (29 500 feet) above sea level at 11:43…
A major explosive eruption took place at Stromboli volcano, Italy at 13:19 UTC on July 14, 2021. Volcanic material fell back to Sciara del Fuoco and reached the Pizzo area. From a seismic point of view, this explosive event was clearly visible at all Stromboli…
The Alaska Volcano Observatory (AVO) has raised the Aviation Color Code for Semisopochnoi volcano to Orange and the Volcano Alert Level to Watch on July 12, 2021. The decision was made due to the onset of continuous volcanic tremors and detections of explosive…
