Intense explosions, dense volcanic ash emissions at Fuego volcano, Guatemala
Activity at Guatemala’s Fuego volcano increased on December 11, 2022, producing intense explosions, heavy ash and notable lava flow in the Ceniza ravine.
Strong explosion, pyroclastic flows at Lascar volcano, Chile
A strong vulcanian explosion took place at Lascar volcano, Chile at 15:36 UTC on December 10, 2022.
Increased seismicity under Machín volcano, Colombia
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.
Earthquake swarm under Takawangha volcano continues, Alaska
Earthquake swarm under Takawangha volcano, Alaska continues since mid-November. The Aviation Color Code remains at Yellow and the Volcano Alert Level at Advisory. The last known eruption at this volcano took place in 1550 CE (VEI unknown).
More than 600 aftershocks following M5.6 earthquake beneath Lake Taupō, New Zeland
More than 600 aftershocks have been recorded following the M5.6 earthquake beneath Lake Taupō, New Zealand on November 30, 2022 — one of the largest recorded in Lake Taupō region. No further unusual activity has been observed and the minor volcanic unrest at Taupō volcano continues. The Volcanic Alert Level remains at 1.
About 20 m (65 feet) of foreshore disappears during a swarm of earthquakes at Taupo volcano, New Zealand
About 20 m (65.6 feet) of foreshore in Wharewaka, Lake Taupo, New Zealand disappeared after a strong and shallow M5.6 earthquake and numerous aftershocks at Taupō volcano at the end of November 2022.
Large pyroclastic flow at Stromboli volcano generates a local tsunami, Italy
Intense explosions and large pyroclastic flows took place at Stromboli volcano, Italy on December 4, 2022, generating a small local tsunami.
Massive eruption at Semeru volcano, volcanic ash up to 15.2 km (50 000 feet) a.s.l., Indonesia
A high-level eruption occurred at Indonesia’s Semeru volcano on December 4, 2022, prompting authorities to raise the Alert Level from III to IV. The last major eruption at this volcano took place on December 4, 2021, leaving 51 people dead and several hundred others injured.
The Weekly Volcanic Activity Report: November 23 – 29, 2022
New activity/unrest was reported for 6 volcanoes from November 23 to 29, 2022. During the same period, ongoing activity was reported for 17 volcanoes.
Mauna Loa eruption – Lava flow crosses Mauna Loa Weather Observatory Road
The eruption of Mauna Loa volcano that started on November 28, 2022, in its Northeast Rift Zone continues, with several fissures and lava flows active.
