• New explosive-effusive activity at Nishinoshima volcano, Japan

    A new explosive-effusive activity is taking place at the Japanese Nishinoshima volcano in the Izu-Bonin Volcanic Arch. Thermal anomalies were detected by satellites and confirmed by Japanese coastguard overflight on December 6. The explosions are currently located…

  • Intensification of Strombolian activity at Etna volcano, Italy

    Video surveillance cameras show a gradual intensification of Strombolian activity at the New Southeast Crater of Etna volcano, Italy, beginning at 18:00 UTC on December 6, 2019. The activity was already underway at about 16:00 UTC, producing small and discontinuous…

  • Eruption detected at Semisopochnoi volcano, Alaska

    An eruption signature was detected at Semisopochnoi as strong tremor on local seismic and in regional infrasound networks on Adak Island, Alaska Volcano Observatory reported at 10:25 UTC on December 7, 2019. The event started at 09:26 UTC (00:26 AKST) on December 7…

  • Strong explosions at Sakurajima volcano, Japan

    Strong explosions continue at Sakurajima's Minamidake crater, Japan, with the latest at 11:10 UTC on November 28, 2019. Ash plumes rose up to 4.5 km (15 000 feet) above sea level, or 3.3 km (10 800 feet) above the crater. The Alert Level remains at 3 (on a…

  • The Weekly Volcanic Activity Report: November 20 – 26, 2019

    New activity/unrest was reported for 2 volcanoes from November 20 to 26, 2019. During the same period, ongoing activity was reported for 13 volcanoes. New activity/unrest: Shishaldin, Fox Islands (USA) | White Island, New Zealand. Ongoing activity: Aira, Kyushu…

  • Moderate volcanic unrest at White Island volcano, New Zealand

    Moderate volcanic unrest continues at Whakaari/White Island, but no new changes are observed in the monitored parameters. The Volcanic Alert Level remains at Level 2 since November 18, 2019. The patterns of signals are similar to those through the 2011 – 2016…