Mount Etna’s Southeast Crater exhibited intensified Strombolian activity on April 8, 2025, leading to strong emission of volcanic ash clouds reaching altitudes of approximately 5.5 km (3.4 miles) above the volcano and drifting southeast. The Aviation Color Code was raised to Red.
New activity/unrest was reported for 6 volcanoes from March 26 to April 1, 2025. During the same period, ongoing activity was reported for 21 volcanoes.
Lava fountains reached 215 m (700 feet) at Kilauea volcano on Tuesday, April 1, 2025, during episode 16 of the ongoing Halemaʻumaʻu eruption.
A new volcanic eruption has just begun north of the dam near Grindavík, Iceland, the Icelandic Met Office (IMO) reported at 09:45 UTC. A Coast Guard helicopter was sent to confirm the exact location and size of the eruption. This is the 11th eruption on the Reykjanes Peninsula since 2021 and the 9th on the Sundhnúk crater series.
Japan has raised the volcanic alert for Shinmoedake volcano to level 3 early Sunday, March 30, 2025, following the detection of more than 200 volcanic tremors within a 24-hour period.
Volcanic unrest continues at Mount Spurr, Alaska, with elevated seismic activity, surface deformation, persistent gas emissions, and visible summit steaming. The current unrest indicates that new magma has intruded into the Earth’s crust beneath the volcano and that the probability of an eruption has increased. The last known eruption at this volcano took place in 1992 (VEI 4).
New activity/unrest was reported for 3 volcanoes from March 19 to 25, 2025. During the same period, ongoing activity was reported for 20 volcanoes.
A rapid increase in volcanic tremor was recorded at Mount Etna, Italy on March 24, 2025, followed by explosive activity at the Southeast Crater. The eruption occurred after tremor levels rose significantly, prompting authorities to raise the Aviation Color Code to Red at 10:18 UTC.
A major eruption took place at Indonesia’s Lewotobi Laki-laki volcano on March 20, 2025, ejecting ash up to 16.2 km (53 000 feet) above sea level.
New activity/unrest was reported for 8 volcanoes from March 12–18, 2025. During the same period, ongoing activity was reported for 4 volcanoes.
