Volcanic eruptions

A high-level ash eruption at Lewotobi volcano in Indonesia sent ash up to 16.2 km (53 000 feet) a.s.l. on June 17, 2025.

An eruption at Raung volcano, Indonesia, sent volcanic ash up to 4.3 km (14 000 feet) a.s.l. on June 17, 2025.

A high-level ash eruption occurred at Lewotobi volcano, Indonesia, with ash reaching 16.1 km (52 300 feet) a.s.l. on June 17, 2025.

A major eruption at Indonesia’s Lewotobi volcano on June 17, 2025, produced an ash cloud rising to 16.2 km (53 000 feet) above sea level.

Intermittent volcanic ash emissions from Semeru volcano in Indonesia reached up to 4.3 km (14 000 feet) above sea level on June 17, 2025.

An ash plume from Semeru volcano in Indonesia reached 4.3 km (14 000 feet) above sea level on June 16, 2025.

Eruptive activity at Semeru volcano, Indonesia, produced an ash cloud up to 4.3 km (14 100 feet) a.s.l. on June 16, 2025.

Ash emissions from Semeru volcano in Indonesia were observed reaching 4.3 km (14 000 feet) above sea level and moving north-northwest on June 16, 2025.

Home Reef volcano in Tonga produced intermittent low-level ash emissions, with ash rising to 2 km (6 500 feet) a.s.l. on June 15, 2025.

An ongoing ash emission at Raung volcano, Indonesia, was reported to reach 4.6 km (15 000 feet) above sea level on June 15, 2025.