Active volcanoes in the world: September 13 – 19, 2017

Active volcanoes in the world: September 13 – 19, 2017

New activity/unrest was reported for 3 volcanoes between September 13 and 19, 2017. During the same period, ongoing activity was reported for 16 volcanoes. New activity/unrest: Agung, Bali (Indonesia) | Dieng Volcanic Complex, Central Java (Indonesia) | Zhupanovsky,…

Active volcanoes in the world: August 23 – 29, 2017

Active volcanoes in the world: August 23 – 29, 2017

New/activity unrest was reported for 3 volcanoes between August 23 – 29, 2017. During the same period, ongoing activity was reported for 17 volcanoes. New activity/unrest: Ibu, Halmahera (Indonesia) | Pacaya, Guatemala | Sangay, Ecuador. Ongoing activity: Aira,…

Robust steam plume, new explosive eruption at Bogoslov volcano, Alaska

Robust steam plume, new explosive eruption at Bogoslov volcano, Alaska

A new explosive eruption took place at Bogoslof volcano, Alaska at 00:29 UTC on August 27, 2017 and lasted about 4 minutes. The cloud produced during today's event was observed in satellite images to drift southeast from Bogoslof and pass over southern Unalaska…

Active volcanoes in the world: August 16 – 22, 2017

Active volcanoes in the world: August 16 – 22, 2017

New activity/unrest was reported for 5 volcanoes between August 16 and 22, 2017. During the same period, ongoing activity was reported for 18 volcanoes. New activity/unrest: Kanlaon, Philippines | Pacaya, Guatemala | San Cristobal, Nicaragua | Sangay, Ecuador |…

Ash emission from San Cristobal volcano affects 50 000 people, Nicaragua

Ash emission from San Cristobal volcano affects 50 000 people, Nicaragua

Nicaraguan authorities reported a new ash emission started at San Cristobal volcano early Friday morning, August 18, 2017. The last eruption of this volcano took place on April 22, 2016. The volcano began degassing Friday morning, followed by an expulsion of ash…

Powerful eruption at Sheveluch volcano, ash to 12.2 km (40 000 feet) a.s.l.

Powerful eruption at Sheveluch volcano, ash to 12.2 km (40 000 feet) a.s.l.

A powerful eruption took place at Russia's Sheveluch volcano at 16:31 UTC on August 8, 2017. Ash cloud drifted SSE of the volcano. According to the Tokyo VAAC, ash cloud reached an altitude of 12.2 km (40 000 feet) above sea level. At 21:20 UTC, the front of the…

Significant explosive eruption at Bogoslof, Aviation Color Code Red

Significant explosive eruption at Bogoslof, Aviation Color Code Red

A significant explosive eruption began at Bogoslof volcano at about 18:00 UTC (10:00 AKDT) on August 7, 2017. The eruption continued through about 21:00 UTC as indicated in seismic, satellite and lightning data. A pilot report at 18:45 UTC indicates that the ash…

Active volcanoes in the world: July 26 – August 1, 2017

Active volcanoes in the world: July 26 – August 1, 2017

New activity/unrest was reported for 5 volcanoes between July 26 and August 1, 2017. During the same period, ongoing activity was reported for 14 volcanoes. New activity/unrest: Katla, Iceland | Moyorodake [Medvezhia], Iturup (Etorofu) Island (Japan/Russia) | Piton…

Strong eruption at Mount Sinabung, large pyroclastic flow generated

Strong eruption at Mount Sinabung, large pyroclastic flow generated

Indonesia's Sinabung volcano erupted at 01:10 UTC (08:10 local time) on August 2, 2017, ejecting a plume of ash and smoke up to 5.4 km (18 000 feet) above sea level. It was one of Sinabung's biggest eruptions in the past several months. By 05:10 UTC, there…

Powerful eruption at Sheveluch volcano, ash up to 12.2 km (40 000 feet)

Powerful eruption at Sheveluch volcano, ash up to 12.2 km (40 000 feet)

A powerful explosive eruption took place at Russia's Sheveluch volcano at 17:40 UTC on Sunday, July 23, 2017, producing strong pyroclastic flows. The explosions sent ash up to 12.2 km (40 000 feet) above sea level, according to the Tokyo VAAC. The Aviation Color…