Posted on Jan 19, 2026 / Travel

During times of activity, Mount Lewotolo can produce ash clouds, loud explosions, and hot debris that can travel down its slopes, which are dangerous to people nearby. Authorities often warn about potential lava flows, volcanic gas, and rocks being thrown out of the crater when activity increases. Heavy rainfall after an eruption can also trigger “lahars” — fast volcanic mudflows made of ash and water that run down valleys and cause damage. These hazards are why safety zones are created around active volcanoes and why people are told to stay far from the crater during alerts. In the past, volcanic ash from nearby volcanoes in the region has interfered with air travel and caused flight cancellations. Ash can also irritate eyes and lungs, especially for people not used to volcanic conditions. That’s why officials issue regular updates so locals and visitors know the risks and can follow guidance.
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