Mount Semeru Erupted Again This Morning, Volcanic Ash Height Around 900 Meters
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Mount Semeru in East Java erupted again on Tuesday (9/6/2026) at 10:28 WIB. Over the past week, Mount Semeru has erupted 18 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 900 meters above the peak, or 4,576 meters above sea level.
The ash column appeared white to grey, thick intensity drifting north and northeast. This eruption was recorded on seismograph with maximum amplitude 21 mm and duration 113 seconds.
(Read: Latest Five Earthquakes Recorded by BMKG (Saturday, 19 July 2025 13:53:43 WIB))
Per MAGMA Indonesia volcanic activity report, Mount Semeru status is at Level III (Alert). Seismic monitoring on 9 June 2026 00.00-06.00 WIB recorded 14 eruption earthquakes with amplitude 10-22 mm and duration 62-192 seconds, plus 1 emission earthquake with 6 mm amplitude, 79 seconds duration.
PVMBG advises against all activities in the southeast sector along Besuk Kobokan, within 13 km from the summit. Outside this zone, public must avoid activity within 500 meters of riverbanks along Besuk Kobokan, as pyroclastic surges and lahar flows may reach up to 17 km from the peak.
For 2026, MAGMA Indonesia has logged 2,460 volcanic eruptions nationwide. East Java's Mount Semeru recorded the highest count at 1,207 eruptions.
(Read: 4.2 Magnitude Earthquake Strikes Fox Aleutian Islands)
"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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