Mount Semeru Erupted Again This Morning (Tuesday, June 16, 2026)
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Mount Semeru in East Java erupted again on Tuesday (16/6/2026) at 06.55 WIB. Over the past week, Mount Semeru has erupted 12 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 approximately 500 meters above the summit (4,176 meters above sea level).
The ash column appeared white to grey, with thick density drifting southwest. This eruption was recorded on seismographs with maximum amplitude 22 mm and 115 seconds duration.
(Read: Countries with Most Active Volcanoes Worldwide: Indonesia Ranks First)
Per MAGMA Indonesia volcanic activity reports, Mount Semeru is currently at Alert Level III (Standby). Seismic monitoring on 16 June 2026 between 00.00-06.00 WIB recorded 17 eruption earthquakes with amplitudes 13-22 mm and durations 44-142 seconds.
Additionally, 4 rockfall earthquakes (4-6 mm amplitude, 33-101 sec duration) and 1 gas emission earthquake (5 mm amplitude, 40 sec duration) were detected.
PVMBG prohibits all activities in the southeast sector along Besuk Kobokan up to 13 km from the summit. Outside this zone, public activities are banned within 500 meters of the Besuk Kobokan river banks, as hot cloud surges and lahar flows may reach up to 17 km from the peak.
As of 2026, MAGMA Indonesia has documented 2,687 volcanic eruptions across Indonesia. East Java's Mount Semeru recorded the highest activity with 1,263 eruptions.
"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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