Mount Semeru Erupts Again This Afternoon (Tuesday, April 14, 2026)

Mount Semeru in East Java erupted again on Tuesday (April 14, 2026) at 11:13 WIB. In the past week, Mount Semeru has erupted 14 times.

Quoting eruption information from the Center for Volcanology and Geological Hazard Mitigation (PVMBG) via the MAGMA Indonesia application, the observed ash column height reached None meters above the peak (None meters above sea level).

Eruption visuals were not observed. The eruption of Mount Semeru is still ongoing when this report was made.

(Read: BNPB Records 52 Natural Disasters in Mid-August 2023, Most Are Forest and Land Fires)

According to the MAGMA Indonesia volcano activity report, the activity level of Mount Semeru is at Level III (Alert). Earthquake observations on April 14, 2026 from 00:00-06:00 WIB showed 17 eruption/explosion earthquakes with amplitudes of 14-23 millimeters and durations of 87-169 seconds.

Then, 1 hot avalanche earthquake with an amplitude of 20 mm and duration of 203 seconds, as well as 11 avalanche earthquakes with amplitudes of 1-2 mm and durations of 50-85 seconds.

PVMBG advises against any activities in the southeast sector along the Besuk Kobokan, up to 13 kilometers from the peak (eruption center). Outside that distance, residents should not carry out activities within 500 meters of the riverbank along the Besuk Kobokan due to the potential for being affected by the expansion of hot clouds and lava flows up to 17 kilometers from the peak.

Throughout 2026, MAGMA Indonesia has recorded 1,463 volcanic eruptions across Indonesia. Mount Semeru in East Java has the most eruptions with 789 events.

(Read: Nearly 5,000 Natural Disaster Events in Indonesia in 2023, Forest and Land Fires Dominate)