Mount Semeru Erupts Again Tonight (Wednesday, 13 May 2026)
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Mount Semeru in East Java erupted again on Wednesday (13/5/2026) at 18:23 WIB. Over the past week, Mount Semeru has erupted 29 times.
According to eruption data from the Center for Volcanology and Geological Hazard Mitigation (PVMBG) via the MAGMA Indonesia application, the eruption plume was not visually observed. Mount Semeru's eruption was ongoing when this report was published.
(Read: Indonesia Had the Worst Air Quality in ASEAN in 2022)
Per MAGMA Indonesia volcanic activity reports, Mount Semeru activity status is set at Level III (Alert). Seismic monitoring on 13 May 2026 between 12:00 - 18:00 WIB recorded 19 eruption earthquakes with 10-22 mm amplitude and 80-202 second duration.
Additionally, 1 gas emission earthquake (4 mm amplitude, 115 second duration) and 1 lahar vibration earthquake (10 mm amplitude, 1327 second duration) were detected.
PVMBG prohibits all activities in the southeast sector along the Besuk Kobokan valley within 13 km of the summit. Outside this zone, public activity is also banned within 500 m of river banks along Besuk Kobokan, as pyroclastic flows and lahar may reach up to 17 km from the peak.
During 2026, MAGMA Indonesia recorded 1,958 volcanic eruptions across Indonesia. Mount Semeru in East Java recorded the highest activity with 1,003 eruptions.
(Read: Not Jakarta: This is the Region With the Worst Air Quality in Indonesia (Wednesday, 7 June 2023))
"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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