• Phreatic explosion at Dieng volcano, Indonesia

    A phreatic explosion occurred at Sileri crater of Dieng Volcanic Complex, Java, Indonesia at 11:25 UTC (18:25 LT) on April 29, 2021. The last notable eruption of this volcano took place on July 2, 2017, injuring 10 people. An examination of the crater at 01:03 UTC…

  • The Weekly Volcanic Activity Report: April 21 – 27, 2021

    New activity/unrest was reported for 5 volcanoes from April 21 to 27, 2021. During the same period, ongoing activity was reported for 15 volcanoes. New activity/unrest: Karymsky, Eastern Kamchatka (Russia) | Piton de la Fournaise, Reunion Island (France) |…

  • Increase in eruptive activity at Semisopochnoi volcano, Alaska

    Eruptive activity at Semisopochnoi has gradually increased over the last 24 hours, the Alaska Volcano Observatory (AVO) reported at 21:48 UTC on April 22, 2021. Satellite views of the volcano show a continuous plume extending 80 km (50 miles) to the south at…