Warning! Mount Semeru Erupts Again Tonight (Friday, 7 August 2026)
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Mount Semeru in East Java erupted again on Friday (7/8/2026) at 00:23 WIB. Over the past week, Mount Semeru has erupted 35 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. Mount Semeru eruption was still ongoing when this report was published.
(Read: Number of Natural Disaster Events in Java Island Provinces 2020-2024)
Based on MAGMA Indonesia volcanic activity reports, Mount Semeru activity status is set at Level III (Alert). Seismic monitoring on 7 August 2026 between 18:00-23:59 WIB recorded 30 eruption earthquakes with amplitude 11-22 mm and duration 56-153 seconds.
Additionally, 4 rockfall earthquakes (2-4 mm amplitude, 45-71 seconds duration) and 1 harmonic tremor (7 mm amplitude, 61 seconds duration) were detected.
PVMBG prohibits all activities in the southeast sector along Besuk Kobokan up to 13 km from the summit. Outside this zone, no activity is allowed within 500 m of riverbanks along Besuk Kobokan, as pyroclastic surges and lahar flows may reach up to 17 km from the crater.
During 2026, MAGMA Indonesia logged 3,771 volcanic eruptions across Indonesia. Mount Semeru recorded the highest activity with 1,547 eruptions.
(Read: Number of Severely Damaged Houses Due to Natural Disasters in Indonesia 2015-2024)
"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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