Alert! Mount Semeru Erupted Again This Afternoon (Tuesday, 5 May 2026)
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Mount Semeru in East Java erupted again on Tuesday (5/5/2026) at 16:49 WIB. Over the past week, Mount Semeru has erupted 23 times.
According to eruption data from the Center for Volcanology and Geological Hazard Mitigation (PVMBG) via the MAGMA Indonesia app, observed ash column height reached None meters above the crater (None meters above sea level).
Eruption was not visually observed. This eruption was recorded on seismograph with maximum amplitude 22 mm and duration 133 seconds.
(Read: Air Quality in Major Indonesian Cities is Poor, Far Below WHO Standards)
Per MAGMA Indonesia volcanic activity reports, Mount Semeru is at Activity Level III (Alert Status). Seismic monitoring on 5 May 2026 06:00-12:00 WIB recorded 20 eruption earthquakes with 12-22 mm amplitude and 68-146 second duration.
Additionally, 1 blast earthquake (4 mm amplitude, 48 second duration) and 1 deep volcanic earthquake (9 mm amplitude, S-P 1.83 sec, 27 second duration) were detected.
PVMBG prohibits all activities in the southeast sector along Besuk Kobokan up to 13 km from the summit. Outside this zone, people must avoid activities within 500 m of river banks along Besuk Kobokan, as pyroclastic surges and lahar may reach up to 17 km from the crater.
During 2026, MAGMA Indonesia recorded 1,807 volcanic eruptions across Indonesia. East Java's Mount Semeru recorded the most eruptions with 935 events.
(Read: Indonesia Had The Worst Air Quality in ASEAN in 2022)
"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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