Overall Green Volcanic eruption for Krakatau
in Indonesia

Event summary

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

GDACS ID VO 1000083
Name: Krakatau (262000)
Lat/Lon: -6.1 , 105.42
Event Date: 27 Nov 2023 UTC
Exposed Population 30km: About 7000 people within 30km
Exposed Population 100km: About 7380000 people within 100km
Max Volc. Explosivity Index VEI: 6
Population Exposure Index PEI: 4
Inserted at: 28 Nov 2023 11:13 UTC

GDACS Score

For more info on GDACS alert score click here.
Virtual OSOCC
Meteo assessment
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Analytical products
Detailed event map. European Union, 2026. 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 Krakatau report has been published on 22 Nov 2023 08:54.
PVMBG reported that white gas-and-steam plumes rose as high as 100 m above Krakatau?s summit on most days during 15-21 September and drifted NW, N, and NE. White-and-gray plumes rose as high as 100 m and drifted NW on 21 November. The Alert Level remained at 3 (on a scale of 1-4), and the public was warned to stay at least 5 km away from the crater. Source: Pusat Vulkanologi dan Mitigasi Bencana Geologi (PVMBG, also known as CVGHM)
See the detail here

Latest media headlines

Volcanic activity worldwide 29 Nov 2023: Santiaguito volcano, Fuego, P.. 11/29/2023 10:06:00 PM.

(29 Nov ) Explosive activity continues. Volcanic Ash Advisory Center (VAAC) Darwin warned about a volcanic ash plume that rose up to estimated 7000 ft (2100 m) altitude or flight level 070 and is moving at 10 kts in E direction. The full re
...(more)
Lewotolo volcano (Lesser Sunda Islands, Indonesia): strombolian-to-vul.. 11/29/2023 5:03:00 AM.

The effusive-explosive eruption at the volcano continues. Strombolian and occasional larger vulcanian-type explosions continue to take place from the crater within the main caldera. Viscous, gas-poor magma continues to squeeze through the 2
...(more)
Krakatau volcano (Sunda Strait, Indonesia): short but violent paroxysm.. 11/28/2023 7:38:00 AM.

The eruptive activity at the volcano remains elevated. Since the last update , about 15 explosive events have occurred from the cinder cone and is highly likely that intense powerful explosions are continuing even at the time of this update
...(more)
Volcanic activity worldwide 27 Nov 2023: Santiaguito volcano, Fuego, P.. 11/27/2023 10:04:00 PM.

: The explosive activity from the new cinder cone continues. The newly formed island has been growing as ejected tephra, mainly comprised of dark black masses of lava bombs and previously lava flows, enlarges the area island by piling lava
...(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 (31), INGV (2), DesInventar (1), WMO (1), INFORM (2), (1), JSR (1),