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Academic research
The 1985 Nevado del Ruiz volcano catastrophe: anatomy and retrospection
Journal of Volcanology and Geothermal Research
Where this source supports the record
Each entry separates the article’s editorial relevance note from its exact, section-level claims. A bibliography link without a direct claim is labeled plainly.
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Open article references → Why editors use it herePeer-reviewed reconstruction of the eruption, warning process, institutional conditions, and lessons from Armero.
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Quick read
On 13 November 1985, a relatively small eruption of glacier-covered Nevado del Ruiz generated fast lahars that followed river valleys into populated areas.
Reviewed 4 August 2026 -
Trigger and conditions
An explosive eruption melted and mobilized summit snow and ice during stormy weather.
Reviewed 4 August 2026 -
Uncertainty
Casualty totals vary by source and by whether surrounding communities are counted with Armero.
Reviewed 4 August 2026 -
Why it matters
Armero shows that forecasting a hazard is not the same as protecting people.
Reviewed 4 August 2026
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Quick read