Mount Semeru Erupts Again Tonight (Saturday, 13 June 2026)
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Mount Semeru in East Java erupted again on Saturday (13/6/2026) at 22:26 WIB. Over the past week, Mount Semeru has erupted 57 times.
According to eruption data from the Center for Volcanology and Geological Hazard Mitigation (PVMBG) via the MAGMA Indonesia application, the eruption visual was not observed. This eruption was recorded on seismograph with maximum 28 mm amplitude and 385 seconds duration.
(Read: Floods: Most Frequent Natural Disaster in Indonesia as of September 2025)
Per MAGMA Indonesia volcanic activity reports, Mount Semeru is set at Activity Level III (Alert). Seismic monitoring on 13 June 2026 between 12.00-18.00 WIB recorded 12 eruption earthquakes with 11-22 mm amplitude and 80-144 second duration.
Additionally, 3 blast earthquakes (2-6 mm amplitude, 37-45 sec duration) and 2 harmonic tremors (1-4 mm amplitude, 161-164 sec duration) were detected.
PVMBG prohibits all activities in the southeast sector along Besuk Kobokan up to 13 km from the summit. Beyond this zone, public activities are also forbidden within 500 meters of Besuk Kobokan river banks, as pyroclastic surge and lahar hazards may reach 17 km from the peak.
Throughout 2026, MAGMA Indonesia logged 2,615 volcanic eruptions nationwide. Mount Semeru (East Java) recorded the highest count at 1,246 eruptions.
(Read: Natural Disasters Damaged 220 Thousand Buildings in Indonesia in 2025)
"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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