The Weekly Volcanic Activity Report: December 28 – January 3, 2023
New activity/unrest was reported for 2 volcanoes from December 28 to January 3, 2023. During the same period, ongoing activity was reported for 17 volcanoes.

New activity/unrest was reported for 2 volcanoes from December 28 to January 3, 2023. During the same period, ongoing activity was reported for 17 volcanoes.

A new small eruption took place at Anak Krakatau volcano, Indonesia at 09:38 UTC (16:38 LT) on January 3, 2022.

Effusive eruption with active lava flow continues at Etna volcano, Italy since November 27, 2022.

Lava dome at Sheveluch volcano, Russia continues growing, KVERT reported on January 2, 2023.

Monitoring stations installed in the vicinity of the massive Ollagüe stratovolcano in the Andes, on the border between Bolivia and Chile, detected increased seismicity under the volcano on January 2, 2023.

New activity/unrest was reported for 2 volcanoes from December 21 to 27, 2022. During the same period, ongoing activity was reported for 16 volcanoes.

New activity/unrest was reported for 6 volcanoes from December 14 to 20, 2022. During the same period, ongoing activity was reported for 16 volcanoes.

New research published in Nature Communications suggests the internal ‘plumbing’ system of the Stromboli volcano in Italy may have changed, allowing magma from deep beneath the surface to rise more easily, triggering violent and unpredictable blasts. The research follows a series of surprisingly strong eruptions and paroxysms in 2019.

New activity/unrest was reported for 5 volcanoes from December 7 to 13, 2022. During the same period, ongoing activity was reported for 15 volcanoes.

GeoNet experts have been busy collecting and analyzing data to help them understand exactly what happened during and following the M5.7 earthquake at Lake Taupō on November 30, 2022, including ground shaking, landslides, volcanic activity, and a tsunami.