There are over 100 active volcanoes in Indonesia, including Mount Lewotobi Laki-laki, which recently erupted in June 2025, and Mount Ili Lewotolok, which has just begun showing an increase in activity levels.
When these regions in Indonesia begin to see an increase in activity, officials from the Center for Volcanology and Geological Disaster Mitigation (PVMBG) will raise the warning scale through MAGMA Indonesia. The scale ranges from 1 to 4 and is in place to help save lives.
In May 2025, PVMBG gave Mount Lewotobi Laki-laki a level 4 warning, urging residents to evacuate the area as an eruption was imminent. In mid-June 2025, the volcano erupted, sending ash 16,400 feet in the air. Thick, gray clouds were also propelled into the air, and a mushroom-like cloud could be seen 93 miles away.
Area residents were asked to evacuate to an area about 5 miles away from the volcano’s crater. ...
