Alert! Mount Semeru Erupted Again This Morning (Wednesday, 8 July 2026)
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Mount Semeru in East Java erupted again on Wednesday (8/7/2026) at 10.06 WIB. Over the past week, Mount Semeru has erupted 19 times.
According to eruption data from the Center for Volcanology and Geological Hazard Mitigation (PVMBG) via the MAGMA Indonesia application, the observed ash column height reached approximately 800 meters above the crater, or 4476 meters above sea level.
The ash column was observed white to grey with thick intensity, drifting north and northeast. This eruption was recorded on seismograph with maximum amplitude 22 mm and 102 seconds duration.
(Read: Countries With Most Active Volcanoes Worldwide: Indonesia Ranks First)
Per MAGMA Indonesia volcanic activity reports, Mount Semeru is currently set at Activity Level III (Alert Status). Seismic monitoring on 8 July 2026 00.00-06.00 WIB recorded 14 eruption earthquakes with 11-22 mm amplitude and 93-169 second durations.
Additionally, 3 rockfall earthquakes (3-5 mm amplitude, 30-133 seconds) and 4 degassing earthquakes (3-6 mm amplitude, 37-45 seconds) were detected.
PVMBG urges: all activities are prohibited in the southeast sector along Besuk Kobokan within 13 km from the summit. Outside this zone, avoid all activities within 500 m from river banks along Besuk Kobokan, as pyroclastic flows and lahar may reach up to 17 km from the crater.
For the 2026 period up to this date, MAGMA Indonesia logged 3020 volcanic eruptions nationwide. Mount Semeru recorded the highest count with 1351 eruptions.
(Read: Indonesia Has The Highest Number Of 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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