Overview

• Indonesia's volcanology agency elevated Mount Lewotobi Laki-laki's alert level to the highest tier on May 18, 2025, following a weekend of intense volcanic activity.
• The volcano erupted eight times on May 18, sending ash clouds as high as 9.1 km above sea level, according to the Darwin VAAC.
• Another eruption occurred on May 19, producing ash clouds rising 1.2 km and prompting authorities to maintain a 6 km exclusion zone around the crater.
• Residents have been warned of potential cold lava flows triggered by heavy rains, though no evacuations or flight cancellations have been reported so far.
• Lewotobi Laki-laki, located on Flores Island, has been in a sustained phase of high activity since late 2024, with over 110 eruptions recorded in April alone.