Indonesia has raised the alert level for Mount Semeru to its highest category after powerful eruptions sent scorching ash clouds and volcanic flows down its slopes throughout the day. The volcano towers over Java, the country’s most populated island, increasing concerns for surrounding communities.
Authorities reported that avalanches of hot ash, rocks, gas, and lava traveled up to 7 kilometers, while thick plumes of ash shot nearly 2 kilometers into the sky. Additionally, several nearby villages were covered in falling ash, forcing rapid response measures to protect residents.
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More than 300 people from the most threatened villages in Lumajang district have been moved to temporary government shelters. Officials are monitoring the situation closely to ensure more evacuations take place if volcanic activity continues to intensify.
Semeru, also called Mahameru, has a long history of eruptions over the past two centuries, yet thousands of families continue living on its fertile land. Consequently, communities near the volcano face ongoing risks each time it becomes active.
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Indonesia sits on the Pacific “Ring of Fire,” where frequent volcanic eruptions and earthquakes occur due to shifting tectonic plates. Therefore, experts warn that continuous vigilance remains crucial for protecting lives in high-risk regions across the country.