The Weekly Volcanic Activity Report: April 16–22, 2025
New activity/unrest was reported for 6 volcanoes from April 16–22, 2025. During the same period, ongoing activity was reported for 16 volcanoes.
Volcanic Alert Level for White Island raised to 3, New Zealand
Volcanic ash has been increasingly detected in the steam and gas plume at White Island volcano, New Zealand, over the past few months, prompting authorities to raise the Volcanic Alert Level to 3 on April 17, 2025. Intermittent explosive activity observed during aerial monitoring supports the assessment of elevated volcanic unrest.
The Weekly Volcanic Activity Report: April 9–15, 2025
New activity/unrest was reported for 3 volcanoes from April 9 to 15, 2025. During the same period, ongoing activity was reported for 20 volcanoes.
Increased activity at Bezymianny volcano in Russia raises risk of strong explosive eruption
An extrusive-effusive eruption at Bezymianny volcano in Kamchatka, Russia, intensified on April 11, 2025, producing pyroclastic flows on the eastern slopes and ash plumes reaching 3–4 km (9 800–13 100 feet) above sea level. Current data suggests the volcano is preparing for a strong explosive eruption.
The Weekly Volcanic Activity Report: April 2–8, 2025
New activity/unrest was reported for 4 volcanoes from April 2 to 8, 2025. During the same period, ongoing activity was reported for 23 volcanoes.
Eruption at Kanlaon volcano produces pyroclastic flows, ash plume to 4 km (13 000 feet), Philippines
An explosive eruption at Kanlaon Volcano in the Philippines on April 8, 2025, produced a 4 000 m (13 000 feet) high ash plume, pyroclastic flows, and ballistic fragments. Authorities have urged communities within 6 km (3.7 miles) of the summit crater to remain evacuated.
Explosive activity, strong ash emissions observed at Etna volcano, Italy
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.
The Weekly Volcanic Activity Report: March 26–April 1, 2025
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 reach 215 m (700 feet) at Kīlauea volcano, Hawaii
Lava fountains reached 215 m (700 feet) at Kilauea volcano on Tuesday, April 1, 2025, during episode 16 of the ongoing Halemaʻumaʻu eruption.
Volcanic eruption reported near Grindavík, Iceland
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.
