Mount Semeru Erupted Again This Afternoon, Ash Column Height Around 800 Meters
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Mount Semeru in East Java erupted again on Tuesday (14/7/2026) at 14.15 WIB. Over the past week, Mount Semeru has erupted 17 times.
According to eruption data from the Center for Volcanology and Geological Hazard Mitigation (PVMBG) via the MAGMA Indonesia application, the observed ash column reached 800 meters above the summit, or 4476 meters above sea level.
The ash column appeared white to grey with thick density drifting eastward. This eruption was recorded on seismographs with maximum amplitude 22 mm and duration of 148 seconds.
(Read: Count of Lightly Damaged Houses Due to Natural Disasters in Indonesia 2015-2024)
Per MAGMA Indonesia volcanic activity reports, Mount Semeru is currently at Activity Level III (Alert). Seismic monitoring on 14 July 2026 between 06.00-12.00 WIB recorded 14 eruption earthquakes with amplitude 12-23 mm and duration 80-147 seconds.
Additionally, 7 rockfall earthquakes (2-11 mm amplitude, 34-122 seconds) and 4 gas emission earthquakes (3-8 mm amplitude, 34-53 seconds) were detected.
PVMBG advises against all activities in the southeast sector along Besuk Kobokan within 13 km of the summit. Outside this zone, residents must also avoid activity within 500 meters of river banks along Besuk Kobokan, as pyroclastic flows and lahars may reach up to 17 km from the peak.
As of 2026, MAGMA Indonesia has logged 3,174 volcanic eruptions nationwide. Mount Semeru alone accounts for the highest count with 1,402 eruptions.
(Read: Nearly 300 Natural Disasters Occurred Up To Mid-February 2024)
"Disclosure: This is an AI-generated translation of the original article. We strive for accuracy, but please note that automated translations may contain errors or slight inconsistencies."
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