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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Natural disasters · 23 January-28 June 1973Open article references →
Heimaey Eldfell Eruption
Eldheimar and the buried town edge · Iceland
Why editors use it hereContemporaneous University of Iceland scientific report on the developing eruption and sampled material.
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Quick read
A volcanic fissure opened beside the town on Heimaey shortly before 2 a.m.
Reviewed 5 August 2026 -
Trigger and conditions
An earthquake swarm began less than a day before the eruption.
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Uncertainty
Sources use slightly different end dates as activity declined in late June and was formally commemorated in early July.
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Why it matters
Heimaey is a rare case where timing, local maritime capacity, organized evacuation, and improvised engineering prevented a destructive eruption from becoming a mass-fatality event.
Reviewed 5 August 2026
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Quick read