Mount Semeru Erupted Again This Afternoon (Thursday, 28 May 2026)
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Mount Semeru in East Java erupted again on Thursday (28/5/2026) at 13.55 WIB. Over the past week, Mount Semeru has erupted 28 times.
According to eruption data from the Center for Volcanology and Geological Hazard Mitigation (PVMBG) via the MAGMA Indonesia application, the eruption was not visually observed. It was recorded on seismograph with maximum amplitude 22 mm and duration 110 seconds.
(Read: Volcano Eruption Trends In Recent Years)
Per MAGMA Indonesia activity report, Mount Semeru is at Activity Level III (Alert). Seismic monitoring on 28 May 2026 06.00-12.00 WIB recorded 20 eruption earthquakes with 10-22 mm amplitude and 61-130 second duration, plus 1 emission earthquake at 4 mm amplitude / 37 seconds.
PVMBG prohibits all activities in the southeast sector along Besuk Kobokan within 13 km of the summit. Outside this radius, no activity is allowed within 500 m of riverbanks along Besuk Kobokan, as pyroclastic surges and lahar may reach 17 km from the peak.
During 2026, MAGMA Indonesia recorded 2,197 volcanic eruptions nationwide. East Java's Mount Semeru recorded the highest count with 1,104 eruptions.
(Read: Indonesia Ranks First Globally For Most Active Volcanoes)
"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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