Mount Semeru Erupted Again This Morning (Tuesday, 5 May 2026)
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Mount Semeru in East Java erupted again on Tuesday (5/5/2026) at 08.44 WIB. Over the past week, Mount Semeru has erupted 22 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 approximately 900 meters above the summit, or 4,576 meters above sea level.
The ash column appeared white to grey with thick intensity, drifting southwest. This eruption was recorded on seismographs with maximum amplitude 22 mm and duration of 108 seconds.
(Read: Countries With The Most Active Volcanoes In The World, Indonesia Ranks First)
Per MAGMA Indonesia volcanic activity reports, Mount Semeru status remains at Level III (Alert). Seismic monitoring on 5 May 2026, 00.00-06.00 WIB recorded 23 eruption earthquakes with amplitude 12-22 mm and duration 77-169 seconds.
Additionally, 2 harmonic tremors (9-11 mm amplitude, 95-100 seconds duration) and 1 deep volcanic earthquake (31 mm amplitude, 3s S-P interval, 15 seconds duration) were detected.
PVMBG prohibits all activities in the southeast sector along Besuk Kobokan within 13 km of the summit. Beyond this zone, public activity is also banned within 500 m of riverbanks along Besuk Kobokan, due to risk of pyroclastic surges and lahar flows reaching up to 17 km from the crater.
During 2026, MAGMA Indonesia has logged 1,802 volcanic eruptions nationwide. East Java's Mount Semeru accounts for the highest number with 934 eruptions.
"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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