Mount Marapi Erupted on Thursday Afternoon, Status is Alert

Mount Marapi in West Sumatra erupted again on Thursday (9/10/2025) at 12:18 PM 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 1,500 meters above the peak (4,391 meters above sea level).

The ash column was observed to be gray with thick intensity towards the northeast. The eruption was recorded on a seismograph with a maximum amplitude of 24.9 millimeters and a duration of 94 seconds.

(Read: Almost 5 Thousand Natural Disaster Incidents in Indonesia Throughout 2023, Forest and Land Fires Dominate)

According to MAGMA Indonesia's volcano activity report, the activity level of Mount Marapi is at Level II (Alert). Seismic observations on October 9, 2025, from 00:00-23:59 WIB showed 2 times of emission earthquakes with amplitudes of 1.1-4.4 millimeters and earthquake durations of 31-59 seconds.

Subsequently, 1 time of shallow volcanic earthquake with an amplitude of 0.8 millimeters and an earthquake duration of 12 seconds, and 1 time of local tectonic earthquake with an amplitude of 1.2 millimeters s-p 4.9 seconds and an earthquake duration of 24 seconds occurred.

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

Throughout 2025, MAGMA Indonesia has recorded 6,595 volcanic eruptions in Indonesia. Mount Semeru in East Java had the most eruptions (2,592 times), while Mount Marapi erupted 109 times.

(Read: There are Still 381 High-Risk Forest and Land Fire Hotspots in Indonesia in Early 2023)