Volcano Alerts worldwide
Eruptions, ash fall and lahar risk — covered for 35 countries. Volcano alerts use colour codes or alert levels set by the local volcano observatory, from green (normal) to red (eruption imminent or in progress).
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What counts as a volcano alerts
Volcano alerts use colour codes or alert levels set by the local volcano observatory, from green (normal) to red (eruption imminent or in progress). Ash fall affects aviation, water supplies and lungs; pyroclastic flows and lahars move fast along valleys. Exclusion zones are set by civil protection and must be followed literally.
If a warning is active
- Stay outside the exclusion zone at all times.
- Protect airways with a mask and seal windows against ash.
- Clear ash from roofs only when it is safe - wet ash is heavy and roofs collapse.
Sources used for this category
Smithsonian GVP, NASA EONET, national volcano observatories, VAAC ash advisories. Waarning reads these public feeds directly in your browser; the official warning always keeps the name of the authority that issued it.
Volcano Alerts in Asia
Volcano Alerts in Africa
Volcano Alerts in North America
Volcano Alerts in Oceania
Frequently asked questions
What is a volcano alert?
Volcano alerts use colour codes or alert levels set by the local volcano observatory, from green (normal) to red (eruption imminent or in progress). Ash fall affects aviation, water supplies and lungs; pyroclastic flows and lahars move fast along valleys. Exclusion zones are set by civil protection and must be followed literally.
Where does Waarning get volcano alerts from?
Public sources: Smithsonian GVP, NASA EONET, national volcano observatories, VAAC ash advisories. Waarning never re-labels an official warning as its own.
Other warning categories
Generated 2026-10-12.