The Weekly Volcanic Activity Report: May 24 – 30, 2023
New activity/unrest was reported for 6 volcanoes from May 24 to 30, 2023. During the same period, ongoing activity was reported for 17 volcanoes.

New activity/unrest was reported for 6 volcanoes from May 24 to 30, 2023. During the same period, ongoing activity was reported for 17 volcanoes.

Slow eruption of lava continues at Great Sitkin volcano, Alaska, producing a thick lava flow within the summit crater.

New activity/unrest was reported for 5 volcanoes from May 17 – 23, 2023. During the same period, ongoing activity was reported for 18 volcanoes.

Scientists from UiT, The Arctic University of Norway, in collaboration with REV Ocean, discovered a unique new volcano in the Barents Sea. The Borealis Mud Volcano, located at a depth of 400 m (1 312 feet) and approximately 130 km (80 miles) south of Bear Island, continuously emits mud, fluids and gas, providing valuable insights into Earth science.

Increased underwater volcanic activity was detected at the Ahyi Seamount, Northern Mariana Islands on May 21, 2023, leading to the Aviation Color Code and Volcano Alert Level being raised to Yellow/Advisory.

Intense eruptive activity continues at Mexico’s Popocatepetl volcano, with large volcanic ash emissions reaching 9.7 km (32 000 feet) above sea level at 03:36 UTC on May 21, 2023.

Activity at Italy’s Etna volcano increased on May 6, 2023, after nearly 2 months of quiescence. The activity further increased on May 21, producing a new paroxysm and resulting in a temporary suspension of flight operations at Catania Airport.

Eruptive activity at Nyamulagira volcano, Democratic Republic of Congo increased on May 17, 2023, leading to lava flows in the Virunga National Park. While the lava flows pose no danger to the population, the volcano is emitting large quantities of gas and fine particles.

New activity/unrest was reported for 2 volcanoes from May 10 – 16, 2023. During the same period, ongoing activity was reported for 22 volcanoes.

Explosive eruptions at Popocatepelt volcano, Mexico released large amounts of ash over the past couple of days, forcing the government of Puebla to suspend face-to-face classes in at least 11 municipalities.