Eruption — Rincon de la Vieja
Highupdated 2 months agoRincón de la Vieja volcano in Costa Rica is experiencing continuing eruptive activity.
- 50kmRadius of the affected area
What this changes for you, on the ground
Rincón de la Vieja volcano in Costa Rica is experiencing continuing eruptive activity. Small phreatic eruptions were recorded by seismic and infrasound networks in mid-August, though they were not visually observed. The Alert Level remains at 3 (Caution) and the Aviation Color Code is Orange. The affected area extends approximately 50 km around the volcano.
Read the full analysis
If you are currently on site within the affected radius, monitor local authorities' instructions closely and be prepared to evacuate if directed. Avoid approaching the volcano and stay informed through official channels about any changes in activity or access restrictions. Ash fall, volcanic gases, and ground instability are possible hazards in the region.
Follow all guidance from Costa Rican civil protection authorities and local officials. If you experience respiratory symptoms or other health concerns, contact local health services immediately. Information is from the Observatorio Vulcanológico y Sismológico de Costa Rica-Universidad Nacional (OVSICORI-UNA).
Written with the help of AI from Mira Safe's sourced data on August 24, 2026 · does not replace local guidance How this analysis is produced →
Related events in this alert
The facts this alert is built on — the original one first, then what joined it.
How it evolved
- Alert raisedHighAugust 4, 2026 at 10:20 PM
A single entry: the alert has not changed state since it was raised.
Affected areas
Live safety pages for the places concerned by this alert.
Other ongoing alerts — Costa Rica
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