Mount Marapi Erupts Again This Morning (Monday, September 8, 2025)

Mount Marapi in West Sumatra erupted again on Monday (8/9/2025) at 09:06 AM WIB. In the last week, Mount Marapi has only erupted once.

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 1,000 meters above the peak or 3,891 meters above sea level.

The ash column was observed to be white to grey with thick intensity towards the east. The eruption was recorded on a seismograph with a maximum amplitude of 30.4 millimeters and a duration of 51 seconds.

(Read: 4.2 M Earthquake Jolts Fox Aleutian Islands)

According to MAGMA Indonesia''s volcanic activity report, Mount Marapi''s activity level is at Level II (Alert). Seismic observations on September 8, 2025, at 00:00-23:59 WIB showed 1 eruption/explosion earthquake with an amplitude of 30.4 millimeters and a duration of 54 seconds.

Then, 1 exhalation earthquake with an amplitude of 1.2 millimeters and a duration of 30 seconds, and 6 non-harmonic tremors with amplitudes of 1.3-2.6 millimeters and durations of 331-542 seconds.

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

Throughout 2025, MAGMA Indonesia has recorded 6,011 volcanic eruptions across Indonesia. Mount Semeru in East Java had the most eruptions (2,410 times), while Mount Marapi erupted 95 times.

(Read: Last Five Earthquakes Recorded by BMKG (Saturday, July 19, 2025 13:53:43 WIB))