The eruption site at Sundhnúksgígar, Reykjanes, Iceland, showed no active lava flow on December 21, 2023, with signs of diminishing activity and a decrease in seismic events.
A small explosion was detected at Kanaga Volcano, Alaska at 07:31 UTC on December 19, 2023.
A new volcanic fissure eruption started at 22:17 UTC on December 18, 2023, about 4 km (2.5 miles) NE of the town of Grindavik, Reykjanes, Iceland. The eruptive fissure is about 4 km long, with the northern end just east of Stóra-Skógfell and the southern end just east of Sundhnúk.
A small lava flow began to spill from Stromboli’s crater terrace onto the upper Sciara del Fuoco around 20:30 UTC on December 17, 2023, with intense spattering from the central northern crater area.
Although the rate of inflation at Svartsengi has decreased somewhat since Friday, December 8, 2023, it’s still greater than it was prior to the formation of the dike that traveled under Grindavík on November 10.
New activity/unrest was reported for 4 volcanoes from December 6 – 12, 2023. During the same period, ongoing activity was reported for 18 volcanoes.
New activity/unrest was reported for 2 volcanoes from November 29 to December 5, 2023. During the same period, ongoing activity was reported for 14 volcanoes.
The Icelandic Meteorological Office (IMO) reports a decreased likelihood of an eruption at Svartsengi following the cessation of magma inflow to the November 10 dike. While magma accumulation continues beneath Svartsengi, the immediate eruption risk along the dike has significantly reduced.
The Anak Krakatau volcano, located in Indonesia’s Sunda Strait, has resumed its explosive activity, exhibiting a series of short-lived lava-fountaining episodes known as paroxysms last night. The eruptions lasted up to 150 seconds while ash was reaching 2 100 m (7 000 feet) above sea level.
A major eruption at Mount Marapi in Indonesia on Sunday, December 3, 2023, has led to a confirmed death toll of 23. Rescuers, facing challenging conditions, found additional bodies near the eruption site. The volcano, remaining on high alert since 2011, unexpectedly erupted, impacting climbers and nearby villagers.
