Alert! Mount Semeru Erupted Again This Afternoon (Thursday, 30 April 2026)
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Mount Semeru in East Java erupted again on Thursday (30/4/2026) at 15:21 WIB. Over the past week, Mount Semeru has erupted 31 times.
According to eruption information from the Center for Volcanology and Geological Hazard Mitigation (PVMBG) via the MAGMA Indonesia application, the observed ash column height was approximately None meters above the peak (None meters above sea level).
The eruption was not visually observed. This eruption was recorded on seismograph with maximum amplitude 22 millimeters and duration of 111 seconds.
(Read: Countries with Most Active Volcanoes in the World, Indonesia Ranks First)
Per MAGMA Indonesia volcano activity report, Mount Semeru activity status is at Level III (Alert). Seismic monitoring on 30 April 2026 between 06:00-12:00 WIB recorded 20 eruption earthquakes with amplitude 10-22 mm and duration 61-140 seconds, plus 1 distant tectonic earthquake.
PVMBG warns against all activities in the southeast sector along Besuk Kobokan within 13 km of the peak. Beyond that distance, avoid 500 m from river banks along Besuk Kobokan due to pyroclastic flow and lahar hazards up to 17 km from the peak.
During 2026, MAGMA Indonesia recorded 1,740 volcanic eruptions across Indonesia. Mount Semeru in East Java recorded the highest number with 901 eruptions.
(Read: Indonesia Has the Most Active Volcanoes in the World)
"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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