• Gas emission observed over Mount Michael, South Atlantic Ocean

    Satellite images acquired October 15, 2017 show what appears to be a gas emission originating from Mount Michael on Saunders Island, South Atlantic Ocean. Prior to August 2015, the most recent eruptive activity detected was in the second half of 2012. Gas emissions…

  • The Weekly Volcanic Activity Report: October 11 – 17, 2017

    New activity/unrest was reported for 6 volcanoes between October 11 and 17, 2017. During the same period, ongoing activity was reported for 16 volcanoes. New activity/unrest: Agung, Bali (Indonesia) | Ambrym, Vanuatu | Aoba, Vanuatu | Kirishimayama, Kyushu (Japan) |…

  • The Weekly Volcanic Activity Report: October 4 – 10, 2017

    New activity/unrest was reported for 3 volcanoes between October 4 and 10, 2017. During the same period, ongoing activity was reported for 16 volcanoes. New activity/unrest: Agung, Bali (Indonesia) | Aoba, Vanuatu | Lewotolo, Lomblen Island (Indonesia). Ongoing…

  • Lava effusion in the summit crater of Cleveland volcano, Alaska

    The eruption of Cleveland volcano and slow growth of a small lava dome in the summit crater of the volcano continues, the Alaska Volcano Observatory reported at 20:00 UTC on Friday, October 6, 2017. Lava effusion in the summit crater was first noted in satellite…