A man looks at a pyroclastic flow during the eruption of Mount Semeru in Lumajang, East Java, Indonesia, on Nov. 19, 2025. Agus Harianto/AFP via Getty Images
The status of volcanic activity on Mount Semeru in East Java has been raised to a level four alert—the highest danger category—shortly after it erupted on Nov. 19, around 8 p.m.
Authorities ordered evacuations across three villages in two districts—Supit Urang and Oro-Oro Ombo in Pronojiwo District, and Penanggal in Candipuro District—within Lumajang Regency.
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