Volcanic activity at Mount Lewotobi Laki-laki in East Nusa Tenggara has increased again following a reported eruption on Tuesday (14/7/2026) morning at 08:21 WITA. Based on data from the Center for Volcanology and Geological Hazard Mitigation (PVMBG) via the MAGMA Indonesia application, the eruption spewed an ash column 300 meters above the peak, or about 1,884 meters above sea level.
The observed thick gray ash column was tracked moving toward the west and northwest. Seismograph recordings showed the eruption had a maximum amplitude of 44.4 millimeters with an activity duration of 31 seconds. This phenomenon adds to the volcano's eruption frequency, which has reached 11 times in the past week.
Currently, the activity level of Mount Lewotobi Laki-laki remains set at Level III (Alert/Siaga). Observational records from early Tuesday morning through the morning also showed a series of other seismic activities, including two eruption earthquakes, one emission earthquake, and one non-harmonic tremor indicating ongoing volcanic pressure.
In response to this situation, PVMBG issued a strict advisory urging local residents and tourists to refrain from any activities within a 5-kilometer radius of the eruption center. Authorities stressed the importance of complying with this exclusion zone to mitigate safety risks from volcanic ash dispersal and other material threats.
As additional information, as of mid-July 2026, Indonesia has recorded a total of 3,169 volcanic eruptions across various regions. Mount Lewotobi Laki-laki itself has recorded 397 eruptions so far this year, making it one of the most active volcanoes in Indonesia after Mount Semeru.
