Mount Marapi Erupts Again This Morning (Tuesday, September 16, 2025)

Mount Marapi in West Sumatra erupted again on Tuesday (9/16/2025) at 08:23 WIB. In the last week, Mount Marapi has only erupted once.

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

The visual eruption was not observed. The eruption of Mount Marapi was still ongoing when this report was made.

(Read: Number of Natural Disaster Victims in Indonesia as of July 8, 2025)

According to the MAGMA Indonesia volcano activity report, the activity level of Mount Marapi is at Level II (Alert). Seismicity observations on September 16, 2025, from 00:00-23:59 WIB showed 2 times of emission earthquakes with amplitudes of 0.8-1 millimeter and earthquake durations of 36-56 seconds.

Then, 5 times of non-harmonic tremors with amplitudes of 1-1.4 millimeters and earthquake durations of 130-222 seconds, as well as 1 time of deep volcanic earthquake with an amplitude of 1.1 millimeters s-p 2.2 seconds and an earthquake duration of 14 seconds.

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

Throughout 2025, MAGMA Indonesia has recorded 6,119 volcanic eruptions in all of Indonesia. Mount Semeru in East Java had the most eruptions (2,452 times) while Mount Marapi erupted 97 times.

(Read: Nearly 300 Natural Disasters Until Mid-February 2024)