Alert! Mount Semeru Erupted Again This Afternoon (Tuesday, July 7, 2026)
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Mount Semeru in East Java erupted again on Tuesday (7/7/2026) at 17.45 WIB. In the last week, Mount Semeru has erupted 12 times.
According to eruption information from the Center for Volcanology and Geological Hazard Mitigation (PVMBG) via the MAGMA Indonesia application, the observed ash column height was around 700 meters above the peak, or 4,376 meters above sea level.
The ash column was observed to be white to grey with thick intensity heading north and northeast. The eruption was recorded on seismograph with maximum amplitude 22 millimeters and duration of 129 seconds.
(Read: Alert, Jakarta Air Quality Was The Worst In The World This Morning (Thursday, June 15, 2023))
According to MAGMA Indonesia volcanic activity report, Mount Semeru activity status is at Level III (Alert). Seismic monitoring on July 7, 2026 from 06.00-12.00 WIB recorded 14 eruption earthquakes with amplitude 11-22 mm and duration 56-140 seconds.
Additionally, 1 rockfall earthquake with 4 mm amplitude and 63 seconds duration, plus 3 emission earthquakes with amplitude 3-7 mm and duration 34-56 seconds were detected.
PVMBG advises against any activities in the southeast sector along Besuk Kobokan up to 13 km from the summit. Outside this zone, public must avoid activity within 500 meters from river banks along Besuk Kobokan, as pyroclastic surges and lahar flows may reach up to 17 km from the peak.
During 2026, MAGMA Indonesia recorded 2,988 volcanic eruptions across Indonesia. Mount Semeru in East Java had the most eruptions with 1,344 events.
(Read: Most Indonesians Obtain Air Quality Information From Social Media)
"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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