Mount Semeru Erupts Again Tonight (Thursday, 28 May 2026)
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Mount Semeru in East Java erupted again on Thursday (28/5/2026) at 20:10 WIB. Over the past week, Mount Semeru has erupted 30 times.
According to eruption data from the Centre for Volcanology and Geological Hazard Mitigation (PVMBG) via the MAGMA Indonesia application, the observed ash column reached 1,500 metres above the summit (5,176 metres above sea level).
The ash column was observed white to grey with thick intensity, drifting southeast and south. This eruption was recorded on seismographs with maximum amplitude 22 millimetres and duration of 276 seconds.
(Read: Latest Five Earthquakes Recorded by BMKG (Saturday, 19 July 2025 18:25:55 WIB))
Per MAGMA Indonesia volcanic activity reports, Mount Semeru activity status is set at Level III (Alert). Seismic monitoring on 28 May 2026 between 12:00-18:00 WIB recorded 17 eruption earthquakes with amplitude 10-22 mm and duration 76-152 seconds, plus 1 distant tectonic earthquake.
PVMBG advises against all activities in the southeast sector along Besuk Kobokan within 13 km of the summit. Outside this zone, avoid 500 metres from river banks along Besuk Kobokan due to pyroclastic flow and lahar risks up to 17 km from the peak.
For 2026, MAGMA Indonesia has logged 2,200 volcanic eruptions across Indonesia. East Java's Mount Semeru recorded the highest count at 1,106 eruptions.
(Read: 4.8 Magnitude Earthquake Strikes 219 Km East Of Levuka,)
"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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