Overall Green Volcanic eruption for Reykjanes
in Iceland

Event summary

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

GDACS ID VO 1000111
Name: Reykjanes (371020)
Lat/Lon: 63.82 , -22.72
Event Date: 01 Apr 2025 UTC
Exposed Population 30km: About 30000 people within 30km
Exposed Population 100km: About 290000 people within 100km
Max Volc. Explosivity Index VEI: 4
Population Exposure Index PEI: 2
Inserted at: 01 Apr 2025 11:34 UTC

GDACS Score

For more info on GDACS alert score click here.
Virtual OSOCC
Meteo assessment
Satellite products
Analytical products
Iceland - Volcanic eruption (ECHO 07 Apr 2025)Wed, 02 Apr 2025 09:16

  • On 1 April at 9.45 UTC, a new eruption occurred just north of the protective barrier near Grindavík town (Reykjanes peninsula, south-western Iceland). An eruptive fissure, extending southwards, of about 1,200 m has been registered by the Icelandic Meteo Office (IMO) between the barriers and the town. In the afternoon of 1 April the volcanic activity appeared to have decreased.
  • According to media, 40 houses and the tourists at the nearby Blue Lagoon have been evacuated. 
  • An emergency level of Civil Protection has been issued due to this event.
Iceland - Volcanic eruption, update (ECHO 08 Apr 2025)Thu, 03 Apr 2025 10:20

  • Following the volcanic eruption that occurred on 1 April at 9.45 UTC in Mt. Þorbjörn, north of Grindavík in the Reykjanes peninsula, south-western Iceland the activity is decreasing.
  • According to the Icelandic Meteo Office (IMO) reports, as of 2 April, a 20 km volcanic dyke has formed, which is the longest since the activity began in November 2023, and the ground has subsided more than 25 cm close to the Svartsengi area. The same source reports that the eruptive activity has been decreasing and has now stopped.
  • The Icelandic Civil Protection lowered the civil protection level from emergency to danger since the area is still unstable.
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. See the detail here

Latest media headlines

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Photos of Dallol 4/4/2025 12:48:00 PM.

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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), WMO (1), INFORM (2), (1), JSR (1),