Mount Marapi Erupts on Tuesday Afternoon, Status Remains on Alert

Mount Marapi in West Sumatra erupted again on Tuesday, January 28, 2025, at 12:35 WIB (Western Indonesian Time). In the last week, Mount Marapi had only erupted once.

According to eruption information from the Center for Volcanology and Geological Hazard Mitigation (PVMBG) via the MAGMA Indonesia application, the ash column height was observed to be approximately 350 meters above the peak, or 3,241 meters above sea level.

The ash column was observed to be gray with thick intensity towards the north. The eruption was recorded on a seismograph with a maximum amplitude of 3.7 millimeters and a duration of 56 seconds.

According to the MAGMA Indonesia volcano activity report, Mount Marapi's activity level is at Level II (Alert). Observations of seismic activity on January 28, 2025, from 00:00 to 23:59 WIB, showed 15 times of tremor events with amplitudes of 1.7-8.6 millimeters and durations of 16-443 seconds.

Furthermore, there was 1 volcanic earthquake with an amplitude of 2.4 millimeters, S-P 1.3 seconds, and a duration of 14 seconds; and 2 distant tectonic earthquakes with amplitudes of 21.7-29.7 millimeters, S-P 13.7-18 seconds, and durations of 70-73 seconds.

PVMBG urges the public around Mount Marapi and climbers/visitors/tourists to not enter and not carry out activities within a 3-kilometer radius of the center of activity (Verbeek Crater) of Mount Marapi.

During 2025, MAGMA Indonesia has recorded 819 volcanic eruptions/eruptions throughout Indonesia. Mount Semeru in East Java had the most eruptions (390 times), while Mount Marapi erupted 12 times.