Mount Semeru Erupted Again This Morning (Friday, 7 August 2026)
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Mount Semeru in East Java erupted again on Friday (7/8/2026) at 09:33 WIB. Over the past week, Mount Semeru has erupted 41 times.
According to eruption information from the Centre for Volcanology and Geological Hazard Mitigation (PVMBG) via the MAGMA Indonesia application, the observed ash column reached 300 meters above the summit (3,976 meters above sea level).
The ash column was observed to be white to grey in color with thick intensity drifting southwest. This eruption was recorded on seismograph with maximum amplitude 22 millimeters and 100 seconds duration.
(Read: 10 Most Wildfire-Prone Peat Hydrological Areas in 2023)
Per MAGMA Indonesia volcanic activity reports, Mount Semeru activity status is set at Level III (Alert). Seismic monitoring on 7 August 2026 between 00:00-06:00 WIB recorded 27 eruption earthquakes with 11-22 mm amplitude and 96-136 seconds duration.
Additionally, 4 rockfall earthquakes with 2-5 mm amplitude and 43-76 seconds duration, plus 3 emission earthquakes with 3-8 mm amplitude and 44-47 seconds duration were detected.
PVMBG prohibits all activities in the southeast sector along Besuk Kobokan within 13 km of the summit. Outside this zone, public activity is also forbidden within 500 meters of river banks along Besuk Kobokan, as pyroclastic surges and lahar flows may reach up to 17 km from the crater.
Throughout 2026, MAGMA Indonesia has logged 3,783 volcanic eruptions across Indonesia. East Java's Mount Semeru recorded the highest activity with 1,553 eruptions.
(Read: Nearly 5 Thousand Natural Disasters Hit Indonesia in 2023, Wildfires Lead Count)
"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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