Mount Semeru Erupts on Wednesday Night, Alert Level Raised

Mount Semeru in East Java erupted again on Wednesday, May 1, 2024, at 6:45 PM WIB. In the last week, Mount Semeru has erupted 7 times.

According to eruption information from the Center for Volcanology and Geological Hazard Mitigation (PVMBG) via the MAGMA Indonesia application, the eruption was not visually observed. The eruption was recorded on a seismograph with a maximum amplitude of 22 millimeters and a duration of 137 seconds.

According to the MAGMA Indonesia volcano activity report, Mount Semeru's activity level is at Level III (Alert). Observations of seismic activity on May 1, 2024, from 12:00 PM to 6:00 PM WIB showed 8 eruption quakes with amplitudes of 12-22 millimeters and durations of 63-138 seconds.

Furthermore, there was 1 puffing quake with an amplitude of 6 millimeters and a duration of 51 seconds, and 1 deep volcanic quake with an amplitude of 10 millimeters, an S-P time of 3 seconds, and a duration of 20 seconds.

PVMBG advises against any activity in the southeast sector along the Besuk Kobokan river, up to 13 kilometers from the summit (eruption center). Outside this distance, people should not engage in activities within 500 meters of the riverbank (river buffer zone) along the Besuk Kobokan river due to the potential for hot cloud expansion and lava flows up to 17 kilometers from the summit.

During 2024, MAGMA Indonesia has recorded 611 volcanic eruptions/eruptions throughout Indonesia. Mount Semeru in East Java has experienced the most eruptions, with 203 recorded events.