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1866 Eruption Onset
- When
- 1866
- Where
- Santorini caldera
The 1866 eruption began in the Santorini caldera, continuing until 1870. No specific onset date is confirmed in the sources.
The eruption is listed as a major event in the past 300 years. It occurred on Nea Kameni, the current centre of activity. The legacy date of 26 January is a placeholder. The eruption sequence lasted until 1870.
Sources
- Nea Kameni Wikipedia, revision of 2026-05-24
Machine-drafted from the cited Wikipedia passages and checked by a reviewing model, not by a human editor. Every passage cites the revision it was written from; dates and places follow those passages.