Indonesia on High Alert as Mount Lewotobi Laki-laki Erupts: In a dramatic show of nature’s raw power, Mount Lewotobi Laki-laki in Indonesia’s East Nusa Tenggara province erupted violently on Tuesday evening, sending an enormous ash plume nearly 11 kilometers (6.8 miles) into the sky and forcing authorities to raise the alert level to its highest tier.
The eruption, which began at 5:35 PM local time, shocked communities within a 150-kilometer radius as a towering, grey mushroom-shaped ash cloud loomed over the horizon—an ominous reminder of the volcano’s deadly potential.
A Swift and Fearful Surge in Volcanic Activity
According to the Indonesian Geological Agency, the volcano’s activity spiked sharply in the hours leading up to the eruption, with 50 seismic events recorded in just two hours—a fivefold increase from the typical daily count of 8 to 10.
In response, officials expanded the danger zone to an 8-kilometer radius around the crater and issued an urgent evacuation notice for surrounding villages. Hundreds of residents were safely moved to emergency shelters amid fears of potential lava flows and lahar—dangerous volcanic mudslides that can be triggered by heavy rain during such events.
Warnings and Urgent Calls for Public Cooperation
Indonesia’s Center for Volcanology and Geological Hazard Mitigation (PVMBG) advised citizens and tourists to remain outside the restricted zone and to strictly follow government instructions.
“Stay calm, stay alert, and do not believe or spread unverified information,” said a spokesperson during a televised public briefing. “Our teams are on the ground, and your safety is our highest priority.”
Despite the severity of the eruption, no immediate casualties or significant infrastructure damage have been reported—a testament to the effectiveness of Indonesia’s early warning systems and swift emergency response.
Travel Disruptions and Aviation Risks
While the eruption raised alarms for the aviation sector, especially given the vast ash dispersion, major airports remained operational. Regional flights experienced minor delays and reroutes, but Bali’s I Gusti Ngurah Rai International Airport—a critical tourism hub—continued normal operations as of this report.
Ash clouds pose a severe risk to aircraft engines and visibility, and meteorological agencies continue to monitor the situation closely to issue updated advisories.
A Volcano With a Violent Past
Mount Lewotobi Laki-laki, standing at 1,584 meters (5,197 feet), is part of the Lewotobi twin volcano system—its sister peak, Mount Lewotobi Perempuan, remains relatively quiet.
This isn’t the first time the male volcano has shown its destructive side. In November 2024, a major eruption killed nine people and left dozens injured, shaking the region’s sense of safety. That tragedy remains fresh in public memory and has added urgency to evacuation and preparedness efforts this time.
The Broader Challenge of Indonesia’s Volcanic Geography
Sitting along the Pacific “Ring of Fire”, Indonesia is home to around 120 active volcanoes, making it one of the most seismically volatile countries on Earth. With a population of over 270 million, frequent eruptions, earthquakes, and tsunamis continue to test the resilience of both people and infrastructure.
Natural disaster experts say eruptions like this underscore the need for long-term investment in disaster preparedness, public education, and technology-based early warning systems.
The Geological Agency is maintaining close observation of Mount Lewotobi, warning that further eruptions are possible. Volcanologists are currently analyzing magma movement and seismic trends to assess whether the worst is over—or still to come.
For now, the skies above East Nusa Tenggara remain ominous, blanketed in volcanic ash, as residents and responders wait, watch, and brace for what comes next.