• The Weekly Volcanic Activity Report: August 18 – 24, 2021

    New activity/unrest was reported for 6 volcanoes from August 18 to 24, 2021. During the same period, ongoing activity was reported for 20 volcanoes. New activity/unrest: Chirinkotan, Kuril Islands (Russia) | Fukutoku-Oka-no-Ba, Volcano Islands (Japan) | Kilauea,…

  • Rising trend of SO2 emission at Taal volcano, Philippines

    The first measurement of volcanic sulfur dioxide or SO2 flux from the Taal Main Crater on August 19, 2021, totaled 15 347 tonnes/day. This marks a rising trend in volcanic SO2 degassing since August 13, with the short-term average from then until present measured at…

  • The Weekly Volcanic Activity Report: August 11 – 17, 2021

    New activity/unrest was reported for 10 volcanoes from August 11 to 17, 2021. During the same period, ongoing activity was reported for 7 volcanoes. New activity/unrest: Atka, Andreanof Islands (USA) | Chirinkotan, Kuril Islands (Russia) | Fukutoku-Oka-no-Ba,…