The Weekly Volcanic Activity Report: December 21 – 27, 2022
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 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.

The eruption at Mauna Loa that started on November 28, 2022, ended on December 13. This was the first eruption at the world’s largest active volcano since 1984 (VEI 0).

An observation-gas flight confirms the active vents at White Islands volcano, New Zealand are continuing to emit a minor-moderate steam and gas plume, GeoNet reported on December 12, 2022. The Volcanic Alert Level (VAL) remains at 2.

Activity at Guatemala’s Fuego volcano increased on December 11, 2022, producing intense explosions, heavy ash and notable lava flow in the Ceniza ravine.

A strong vulcanian explosion took place at Lascar volcano, Chile at 15:36 UTC on December 10, 2022.

Seismicity under Machín volcano started increasing at 11:23 LT on December 2, 2022, with signals indicating rock fracturing. This small but explosive volcano is located at the southern end of the Ruiz-Tolima massif. Its last eruption took place in 1180 CE.