Overall Green alert Volcanic eruption for Marapi
in Indonesia

Event summary

GREEN alert: The Marapi Volcanic eruption is unlikely to require external humanitarian assistance based on the exposed population and coping capacity.

GDACS ID VO 1000123
Name: Marapi (261140)
Lat/Lon: -0.38 , 100.47
Event Date: 14 Oct 2025 UTC
Exposed Population 30km: About 1190000 people within 30km
Exposed Population 100km: About 4450000 people within 100km
Max Volc. Explosivity Index VEI: 2
Population Exposure Index PEI: 6
Inserted at: 15 Oct 2025 06:02 UTC

GDACS Score

For more info on GDACS alert score click here.
Virtual OSOCC
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Detailed event map. European Union, 2025. Map produced by EC-JRC.
The boundaries and the names shown on this map do not imply official endorsement or acceptance by the European Union.

Updates on volcanic activity (Smithsonian)

The Smithsonian/USGS Weekly Volcanic Activity Report provides information about global volcanism on a weekly basis. Latest Marapi report has been published on 30 Sep 2025 10:08.
The Pusat Vulkanologi dan Mitigasi Bencana Geologi (PVMBG) reported that eruptive activity at Marapi (on Sumatra) continued during 24-30 September. Eruptive events at 1959 on 24 September and at 2116 on 26 September were recorded but weather conditions prevented visual confirmation. An eruptive event at 1831 on 26 September produced a dense white-and-gray ash plume that rose 1 km above the summit and drifted E. The Alert Level remained at 2 (on a scale of 1-4) and the public was warned to stay 3 km away from the active crater. Source: Pusat Vulkanologi dan Mitigasi Bencana Geologi (PVMBG, also known as CVGHM)
See the detail here

Latest media headlines

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Un video in timelapse di un''enorme colonna di cenere che fuoriesce dal monte Lewotobi Laki-Laki, sull''isola indonesiana di Flores, durante l''eruzione del vulcano. I materiali vulcanici sono stati lanciati a 10 chilometri (6,2 miglia) sop
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RI Govt to store Javan rhino sperm, eggs in biobank for reproduction 10/17/2025 11:20:00 AM.

Yogyakarta (ANTARA) - Indonesia will preserve sperm and eggs from the critically endangered Javan rhinoceros in a biobank to support assisted reproductive technologies, including in-vitro fertilization (IVF), the forestry minister said on F
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Indonesia retiree rewilds world’s largest volcano lake as church deman.. 10/17/2025 4:35:00 AM.

SAMOSIR, Indonesia — On retirement from public life, Wilmar Eliaser Simandjorang found a quiet place on a hillside overlooking Lake Toba, on the Indonesian island of Sumatra, to write about this landscape sacred to the region’s Batak people
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Indonesia - Lewotobi Laki-laki eruption (media, MAGMA, BMKG) (ECHO Dai.. 10/16/2025 7:15:00 PM.

On 14 and 15 October, several powerful volcanic eruptions occurred at Lewotobi Laki-laki volcano on Flores Island, East Nusa Tenggara province, eastern Indonesia. The ash column from the strongest eruption reached up to 10 km above the peak
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Estimated casualties (PAGER)

USGS estimates the number of casualties for each earthquake for the Prompt Assessment of Global Earthquakes for Response (PAGER) product.
The graph shows the current fatalities estimate.

Exposed population

Data, images, links, services and documents

For this events, GDACS has links to information from the following sources: EC-JRC (32), (2), INGV (2), DesInventar (1), WMO (1), INFORM (2), JSR (1),