Significant eruption at Lewotobi Laki-laki volcano, Indonesia

Lewotobi volcano in Indonesia produced a significant ash emission on May 18, 2025. The Darwin VAAC reported that volcanic ash reached an altitude of 9.1 km (30 000 feet) above sea level (a.s.l.) at 07:40 UTC, extending southeast from the summit area.

The Center for Volcanology and Geological Hazard Mitigation (PVMBG) maintains the Alert Level at III (Siaga). Residents and visitors are advised to avoid activities within a 6 km (3.7 miles) radius of the volcano’s summit.

The volcano has been exhibiting continuous activity in recent months, including a significant eruption on March 20, which sent ash plumes up to 16.2 km (53 000 feet) a.s.l. Additionally, between April 18 and 25, there were 110 recorded eruptions.

Lewotobi is a stratovolcano located in Flores, Indonesia, comprising twin peaks known as Lewotobi Laki-laki (male) and Lewotobi Perempuan (female). The volcano is known for explosive eruptions that may produce ashfall and pyroclastic flows.

Populated areas nearby include settlements in East Flores Regency, with the town of Larantuka lying approximately 40 km (25 miles) to the northeast, presenting a potential risk to residents and aviation depending on eruption intensity and prevailing winds.

Teo Blašković

Teo Blašković founded The Watchers in 2011 and edited it until 2026, covering seismic and volcanic activity, extreme weather, space weather and near-Earth objects. Articles on this page are his archive.

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