Mount Marapi Erupts Again This Morning (Tuesday, September 30, 2025)

Mount Marapi in West Sumatra erupted again on Tuesday (9/30/2025) at 09:39 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 observed ash column reached 400 meters above the peak or 3,291 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 6.4 millimeters and a duration of 31 seconds.

(Read: Impact of Natural Disasters from January-March 2023)

According to the MAGMA Indonesia volcano activity report, the activity level of Mount Marapi is at Level II (Alert). Seismic observations on September 30, 2025, from 00:00-23:59 WIB showed 94 exhalation earthquakes with amplitudes of 0.8-4.5 millimeters and earthquake durations of 17-60 seconds.

Subsequently, 75 non-harmonic tremors with amplitudes of 1-4 millimeters and earthquake durations of 78-403 seconds, and 1 local tectonic earthquake with an amplitude of 2.7 millimeters s-p 2.4 seconds and an earthquake duration of 15 seconds occurred.

PVMBG urges communities around Mount Marapi and hikers/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 6,464 volcanic eruptions across Indonesia. Mount Semeru in East Java had the most eruptions (2,535 times), while Mount Marapi erupted 107 times.

(Read: Most Common Natural Disasters in Indonesia Until Early September 2023)