• The Weekly Volcanic Activity Report: September 18 – 24, 2019

    New activity/unrest was reported for 0 volcanoes from September 18 – 24, 2019. During the same period, ongoing activity was reported for 19 volcanoes. Ongoing activity: Aira, Kyushu (Japan) | Ambae, Vanuatu | Asosan, Kyushu (Japan) | Dukono, Halmahera (Indonesia) |…

  • Activity at Piparo mud volcano intensifies, Trinidad and Tobago

    Activity at Piparo mud volcano has intensified after a loud explosion was reported at 22:08 LT, September 21, 2019. According to geoscientists, more sub-surface activity is occurring. The public is advised to not venture onto the mud volcano due to its heightened…

  • Hydrothermal eruption at Poas volcano, Costa Rica

    A hydrothermal eruption, lasting 25 minutes, started at Costa Rica's Poas volcano early September 23, 2019 (UTC). ​According to the Volcanological and Seismological Observatory of Costa Rica (OVSICORI), the eruption started at 20:59 local time on September 22…

  • Very close view of Surtseyan eruption at Anak Krakatau, Indonesia

    A group of tourists visited Anak Krakatau on September 18, 2019, and managed to capture a surprising explosion from a very close distance. The activity at the volcano has not changed over the past weeks, with intermittent phreatic or phreatomagmatic explosions in…

  • The Weekly Volcanic Activity Report: September 11 – 17, 2019

    New activity/unrest was reported for 4 volcanoes from September 11 to 17, 2019. During the same period, ongoing activity was reported for 15 volcanoes. New activity/unrest: Alaid, Kuril Islands (Russia) | Copahue, Central Chile-Argentina border | Nevados de Chillan,…