Overall Green alert Volcanic eruption for Merapi
in Indonesia

Event summary

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

GDACS ID VO 1000027
Name: Merapi (263250)
Lat/Lon: -7.54 , 110.45
Event Date: 21 Jun 2021 UTC
Exposed Population 30km: About 4440000 people within 30km
Exposed Population 100km: About 24400000 people within 100km
Max Volc. Explosivity Index VEI: 4
Population Exposure Index PEI: 7
Inserted at: 21 Jun 2021 05:42 UTC

GDACS Score

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Virtual OSOCC
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Detailed event map. European Union, 2024. 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 Merapi report has been published on 16 Jun 2021 08:40.
BPPTKG reported that the lava domes just below Merapi?s SW rim and in the summit crater remained active during 4-10 June. The SW rim lava-dome volume was an estimated 1.3 million cubic meters on 8 June, and continued to shed material down the flank. A total of 12 pyroclastic flows traveled a maximum of 1.6 km down the SW flank and 1 km SE. Incandescent avalanches, recorded 52 times, traveled as far as 2 km down the SW flank and three times went 600 m SE. The volume of the summit lava dome was 2.1 million cubic meters on 8 June. The Alert Level remained at 3 (on a scale of 1-4), and the public was warned to stay 5 km away from the summit. Source: Balai Penyelidikan dan Pengembangan Teknologi Kebencanaan Geologi (BPPTKG)
See the detail here

Latest media headlines

El nuevo conocimiento del manto de la Tierra ayuda a explicar los volc.. 6/24/2021 7:25:00 PM.

Frances Deegan, primera autora del estudio e investigadora del Departamento de Ciencias de la Tierra de la Universidad de Uppsala, resume los hallazgos. “El magma se forma en el manto, y la composición del manto debajo de Indonesia solía se
...(more)
New Knowledge of Earth’s Mantle Helps to Explain Indonesia's Explosive.. 6/24/2021 2:26:00 PM.

Indonesia’s volcanoes are among the world’s most dangerous. Indonesia’s volcanoes are among the world’s most dangerous. Why? Through chemical analyses of tiny minerals in lava from Bali and Java, researchers from Uppsala University and else
...(more)
Why are volcanoes in Indonesia so dangerous? 6/24/2021 2:05:00 PM.

The Indonesian island chain was created by volcanism caused by one of Earth’s plates sliding beneath another. The Indonesian islands themselves are the tops of volcanoes rising from the ocean. Magma produced by volcanoes varies greatly in c
...(more)
Greater risk for babies born during natural disasters 6/20/2021 9:01:00 PM.

Pregnant women exposed to natural disasters such as volcanoes are more likely to give birth prematurely, according to a new study from The Australian National University (ANU). The study looked at pregnant women who've been evacuated fro
...(more)

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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),