• Veniaminof volcano alerts raised, Alaska

    The Alaska Volcano Observatory (AVO) raised alerts for Veniaminof volcano after pilot reports of steaming coincided with low-level tremor recorded at the volcano at 20:30 UTC (12:30 AKDT). These observations mark a departure from recent background activity – the…

  • The Weekly Volcanic Activity Report: July 24 – 30, 2019

    New activity/unrest was reported for 6 volcanoes between July 24 – 30, 2019. Ongoing activity was reported for 13 volcanoes. New activity/unrest:Masaya, Nicaragua | Piton de la Fournaise, Reunion Island (France) | Semisopochnoi, United States | Shishaldin, Fox…

  • Small-scale eruption at Asosan volcano, Japan

    A small-scale eruption started at Asosan volcano, Japan at 22:57 UTC on July 25, 2019 (07:57 LT, July 26), producing an ash column up to 3 km (10 000 feet) above sea level. This is the latest in a series of small eruptions at the volcano that started on April 16,…

  • The Weekly Volcanic Activity Report: July 17 – 23, 2019

    New activity/unrest was reported for 5 volcanoes between July 17 and 23, 2019. During the same period, ongoing activity was reported for 12 volcanoes. New activity/unrest: Manam, Papua New Guinea | Semisopochnoi, United States | Shishaldin, Fox Islands (USA) |…