• 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,…

  • Strong explosion at Sakurajima volcano, Japan

    A relatively strong explosion took place at Sakurajima volcano, Aira caldera, Japan at 22:46 UTC on September 15, 2019 (07:46 LT, September 16). According to the Tokyo VAAC, the ash plume is reaching 4 000 m (13 000 feet) above sea level, extending SW. This is 2 880…

  • Purple Colorado sky caused by Raikoke volcano eruption in Russia

    Researchers from the University of Colorado Boulder revealed that the purple sky seen in the state was due to the eruption that occurred on Raikoke volcano in Russia, located 7 535 km (4 682 miles) away, on June 22, 2019. The team, composed of atmospheric scientists…

  • The Weekly Volcanic Activity Report: September 4 – 10, 2019

    New activity/unrest was reported for 1 volcano from September 4 to 10, 2019. Ongoing activity was reported for 19 volcanoes during the same period. New activity/unrest: Villarrica, Chile Ongoing activity: Aira, Kyushu (Japan) | Asosan, Kyushu (Japan) | Copahue,…