Overall Green Volcanic eruption for Ruiz, Nevado del
in Colombia

Event summary

GREEN alert: The Ruiz, Nevado del Volcanic eruption may have a low humanitarian impact, based on the magnitude of the eruption, the exposed population and its coping capacity..

GDACS ID VO 1000065
Name: Ruiz, Nevado del (351020)
Lat/Lon: 4.89 , -75.32
Event Date: 05 Apr 2023 UTC
Exposed Population 30km: About 510000 people within 30km
Exposed Population 100km: About 4350000 people within 100km
Max Volc. Explosivity Index VEI: 4
Population Exposure Index PEI: 5
Inserted at: 05 Apr 2023 05:17 UTC

GDACS Score

For more info on GDACS alert score click here.
Virtual OSOCC
Meteo assessment
Satellite products
Analytical products
Colombia - Seismic volcano activity of Nevado del Ruiz (ECHO 05 Apr 2023)Wed, 05 Apr 2023 10:53

  • Nevado del Ruiz volcano, located on the border of the Departments of Caldas and Tolima in central western Colombia, about 129 km west of the capital city Bogotá is increasing its volcanic seismic activity.
  • According to the National Unit for Disaster Risk Management (UNGRD), the Municipalities of Casabianca, Herveo, Murillo and Villahermosa are invited by national authorities to carry out the evacuation of families who are located in the area of influence of the volcano.
  • Furthermore, the Government of Tolima declares public calamity due to the activity of the Nevado del Ruiz volca
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

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),