Warning! Mount Semeru Erupts Again Tonight (Tuesday, 05 May 2026)
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Mount Semeru in East Java erupted again on Tuesday (05/05/2026) at 21:44 WIB. Over the past week, Mount Semeru has erupted 24 times.
Based on eruption data from the Center for Volcanology and Geological Hazard Mitigation (PVMBG) via the MAGMA Indonesia application, the observed ash column reached 600 meters above the summit, or 4276 meters above sea level.
The thick grey ash column drifted southwest. This eruption was recorded on seismographs with maximum amplitude 22 mm and lasted 250 seconds.
Per MAGMA Indonesia activity reports, Mount Semeru remains at Alert Level III. Seismic monitoring between 12:00-18:00 WIB 05 May 2026 detected 17 eruption earthquakes, 5 emission earthquakes, and 3 distant tectonic earthquakes.
PVMBG prohibits all activities within 13 km of the summit along the Besuk Kobokan southeast sector; additionally no activities within 500 m of river banks in this area, as hot clouds and lahar may reach up to 17 km from the peak. As of 2026, 1809 volcanic eruptions have been recorded across Indonesia, with Mount Semeru accounting for 936 events.
"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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