Story perspectives

Mount Semeru Erupts 31 Times: Authorities Warn Residents

2/13/2026

Summary

Story summary

Mount Semeru in East Java erupted multiple times this week, with 31 eruptions by February 12.
The strongest eruption occurred at 05:36 AM on February 11, sending ash 1,000 meters high.
Authorities maintain a Level III alert and urge residents to stay vigilant.
Restrictions cover 13 kilometers from the summit and 500 meters from riverbanks due to hazards.
Semeru has the highest eruption count in Indonesia this year, totaling 298 events.

History

Historical Context

In 2021, Mount Semeru erupted significantly, marking a notable event in Indonesia's volcanic activity history. The Indonesian Center for Volcanology reported 298 eruptions that year, highlighting the region's geological volatility. This recent surge in activity mirrors the 2010 eruption of Mount Merapi, which displaced thousands and prompted extensive evacuations. The ongoing eruptions underscore the persistent threat posed by Indonesia's numerous active volcanoes, necessitating continuous monitoring and preparedness among local populations.

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Story summary

Mount Semeru in East Java erupted multiple times this week, with 31 eruptions by February 12.
The strongest eruption occurred at 05:36 AM on February 11, sending ash 1,000 meters high.
Authorities maintain a Level III alert and urge residents to stay vigilant.
Restrictions cover 13 kilometers from the summit and 500 meters from riverbanks due to hazards.
Semeru has the highest eruption count in Indonesia this year, totaling 298 events.

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