Alert! Mount Marapi Erupts Again This Morning (Sunday, April 12, 2026)

Mount Marapi in West Sumatra erupted again on Sunday (April 12, 2026) at 08:02 WIB. In the past week, Mount Marapi erupted only once.

Based on eruption information from the Center for Volcanology and Geological Hazard Mitigation (PVMBG) via the MAGMA Indonesia application, the observed ash column height is around 500 meters above the peak or 3,391 meters above sea level.

The observed ash column is gray with moderate intensity, moving southeast. The eruption was recorded on the seismograph with a maximum amplitude of 21.4 millimeters and a duration of 29 seconds.

(Read: Indonesia Has the Most Active Volcanoes in the World)

According to the MAGMA Indonesia volcano activity report, Mount Marapi's activity level is at Level II (Alert). Seismic observations on April 12, 2026, from 00:00 to 23:59 WIB showed 7 explosion earthquakes with amplitudes of 2.4-2.9 millimeters and durations of 29-66 seconds.

Then, 12 non-harmonic tremors with amplitudes of 2.5-2.9 millimeters and durations of 80-217 seconds, as well as 1 low-frequency earthquake with an amplitude of 2.8 millimeters and a duration of 27 seconds.

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

In 2026, MAGMA Indonesia has recorded 1,426 volcanic eruptions across Indonesia. Mount Semeru in East Java has the most eruptions (771 times) while Mount Marapi has erupted 36 times.

(Read: Country with the Most Active Volcanoes in the World, Indonesia Ranks First)