Mount Marapi Erupts Again This Afternoon (Wednesday, September 17, 2025)

Mount Marapi in West Sumatra erupted again on Wednesday (17/9/2025) at 11:50 AM WIB. In the last week, Mount Marapi has erupted 2 times.

Based on eruption information from the Center for Volcanology and Geological Hazard Mitigation (PVMBG) via the MAGMA Indonesia application, the height of the ash column was observed to be around None meters above the peak (None meters above sea level).

Visual eruption was not observed. The eruption was recorded on a seismograph with a maximum amplitude of 30.4 millimeters and a duration of 49 seconds.

(Read: These are the 10 Largest Earthquakes in History, Two of Them From Indonesia)

According to MAGMA Indonesia''s volcanic activity report, Mount Marapi''s activity level is at Level II (Alert). Seismicity observations on September 17, 2025, at 00:00-23:59 WIB showed 1 eruption earthquake with an amplitude of 29.5 millimeters and a duration of 47 seconds.

Subsequently, 4 non-harmonic tremors with amplitudes of 1-1.4 millimeters and durations of 76-214 seconds, and 2 local tectonic earthquakes with amplitudes of 1.2-28.5 millimeters, s-p 1.3-2.3 seconds, and durations of 17-45 seconds occurred.

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

Throughout 2025, MAGMA Indonesia has recorded 6,128 volcanic eruptions across Indonesia. Mount Semeru in East Java had the most eruptions (2,455 times), while Mount Marapi erupted 98 times.

(Read: 4.5 M Earthquake Shakes 94 Km Southwest of Banda Aceh,)