The Weekly Volcanic Activity Report: May 14–20, 2025
New activity/unrest was reported for five volcanoes from May 14 to 20, 2025. During the same period, ongoing activity was reported for 19 volcanoes.
Significant eruption at Lewotobi Laki-laki volcano, Indonesia
A strong eruption occurred at Lewotobi Laki-laki volcano, Indonesia, on April 18, 2025, sending an ash cloud to approximately 9 km (30 000 feet) above sea level. The Aviation Color Code was raised from Orange to Red at 06:29 UTC.
High-level eruption at Sheveluch volcano, Russia
A strong eruption began at Sheveluch volcano, Kamchatka, Russia, around 18:00 UTC on May 16, 2025, producing a plume of ash and sulfur dioxide up to 12.2 km (40 000 feet) above sea level, according to the Tokyo Volcanic Ash Advisory Center (VAAC). The Aviation Color Code remains at Orange.
Ashfall blankets Kagoshima City after eruption at Sakurajima volcano, Japan
Three eruptions were recorded at Sakurajima volcano in Kagoshima Prefecture, Japan, on May 15, 2025, with ash plumes reaching heights over 4 200 m (13 800 feet) above sea level. Ashfall was reported in Kagoshima City, reducing visibility on city roads.
The Weekly Volcanic Activity Report: May 7–13, 2025
New activity/unrest was reported for five volcanoes from May 7 to 13, 2025. During the same period, ongoing activity was reported for 20 volcanoes.
Eruption at Kanlaon produces pyroclastic flows, ash plume 7 km (4.3 miles) a.s.l, Philippines
An explosive eruption occurred at the summit of Kanlaon volcano in the Philippines at 02:55 local time on May 13, 2025, prompting authorities to raise the Alert Level to Level 3 due to magmatic unrest and the potential for life-threatening volcanic hazards. Authorities have advised communities within 6 km (3.7 miles) of the summit crater to evacuate.
Ongoing ash emissions from White Island volcano impact local airspace, New Zealand
Persistent steam, gas, and minor volcanic ash emissions from Whakaari/White Island, New Zealand, have led to several flight cancellations over Tauranga on May 11 and 12, 2025.
Intense volcanic activity continues at Fuego volcano, Guatemala
Explosive eruptions continued at Guatemala’s Fuego volcano in recent days, producing ash plumes up to 4.8 km (15 750 feet) and incandescent material rising 100–300 m (330–980 feet) above the crater.
The Weekly Volcanic Activity Report: April 30–May 6, 2025
New activity/unrest was reported for 6 volcanoes from April 30 to May 6, 2025. During the same period, ongoing activity was reported for 20 volcanoes.
Explosions and pyroclastic flows at Santa Maria volcano, Guatemala
High-level explosive activity at Santa María’s Santiaguito dome complex on May 6, 2025, produced ash plumes up to 900 m (2 950 feet) above the crater and pyroclastic flows down the southern and southwestern flanks.
