Overview

• Mount Lewotobi Laki-laki erupted at 5:35 pm local time on June 17, 2025, propelling an ash column about 10,000 metres above its summit.
• Indonesia's Centre for Volcanology and Geological Hazard Mitigation raised the alert level to the highest tier and set an exclusion zone of up to eight kilometres around the crater.
• The eruption has prompted the evacuation of hundreds of residents from nearby villages under warnings of lava flows and possible lahars during heavy rainfall.
• The Australian government issued a red aviation alert and Japan's Meteorological Agency opened an investigation into potential tsunami impacts, although no major flight disruptions have been reported.
• Mount Lewotobi Laki-laki is one of Indonesia's 120 active Ring of Fire volcanoes, and its last significant eruption in November 2024 killed nine people.