• Explosion at Cleveland volcano, ash to 6 km (20 000 feet) a.s.l.

    A new explosion was detected at Cleveland volcano, Alaska at 13:20 UTC on December 13, 2017. AVO raised the Aviation Color Code back to Orange. The explosion produced an eruption cloud that was observed in satellite data to an altitude of 6 km (20 000 feet) a.s.l….

  • New eruptive phase starts at Fuego volcano, ashfall reported

    A change in the pattern of activity at Fugo volcano, Guatemala has been observed on December 10, 2017, developing into the 12th effusive eruption phase of the year. The Fuego Observatory reports moderately strong explosions which generate ash columns to a height of…

  • The Weekly Volcanic Activity Report: November 22 – 28, 2017

    New activity/unrest was reported for 2 volcanoes between November 22 and 28, 2017. During the same period, ongoing activity was reported for 12 volcanoes. New activity/unrest: Agung, Bali (Indonesia) | Great Sitkin, Andreanof Islands (USA). Ongoing activity: Aira,…

  • Strong phreatic eruption at Mount Agung, Bali, Indonesia

    A strong phreatic eruption started at Mount Agung, Bali, Indonesia at 09:30 UTC (17:30 WIB) on Saturday, November 25, 2017. This is the second eruption of this volcano since Tuesday, November 21. Although significantly stronger, the Alert Level remains at second…

  • The Weekly Volcanic Activity Report: November 15 – 21, 2017

    New activity/unrest was reported for 3 volcanoes between November 15 and 21, 2017. During the same period, ongoing activity was reported for 11 volcanoes. New activity/unrest: Agung, Bali (Indonesia) | Oraefajokull, Iceland | Sarychev Peak, Matua Island (Russia)….