Mount Semeru Erupted Again This Morning (Tuesday, 19 May 2026)
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Mount Semeru in East Java erupted again on Tuesday (19/5/2026) at 07.54 WIB. Over the past week, Mount Semeru has erupted 6 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 was approximately 1,000 meters above the summit, or 4,676 meters above sea level.
The ash column was observed white to grey in color with thick intensity, drifting southeast and south. This eruption was recorded on seismographs with maximum amplitude 22 millimeters and duration of 145 seconds.
(Read: Magnitude 4.4 Earthquake Shakes Babar, Indonesia)
Per MAGMA Indonesia volcanic activity report, Mount Semeru activity status is set at Level III (Alert). Seismic monitoring on 19 May 2026 between 00.00–06.00 WIB recorded 13 eruption earthquakes with amplitude 10–22 mm and duration 75–181 seconds.
Additionally, 1 rockfall earthquake with 2 mm amplitude / 123 second duration, and 4 gas emission earthquakes with 2–8 mm amplitude / 50–81 second duration were detected.
PVMBG has warned: All activities are prohibited in the southeast sector along Besuk Kobokan, within 13 km from the summit. Outside this zone, public activity is forbidden within 500 meters of river banks along Besuk Kobokan, as this area is at risk from pyroclastic surges and lahar flows reaching up to 17 km from the volcano peak.
During 2026, MAGMA Indonesia has logged 2,050 volcanic eruptions across Indonesia. East Java's Mount Semeru recorded the highest activity with 1,035 eruptions.
(Read: Magnitude 4.8 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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