February 20, 1866 Eruption of Santorini

Name: February 20, 1866 Eruption of Santorini
Start: 1866-02-20
Location: Santorini, Greece

February 20, 1866 · VEI 2 · 1 death

Santorini in Greece erupted on February 20, 1866 with a Volcanic Explosivity Index of 2. The eruption killed 1 person.

Where it erupted

Santorini, Greece, with its other significant eruptions.

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The eruption

Date: February 20, 1866
Volcano: Santorini, shield volcano
Country: Greece
Volcanic Explosivity Index: 2, moderate (eruption column 1 to 5 km)
Killed by: Tephra (ash, bombs, lapilli, steam blasts)
Location: 36.404° N, 25.396° E

The toll

Deaths: 1
Injuries: Few (about 1 to 50)

Where the literature gives no number, NCEI records a description on a scale of 1 to 4, printed here in its words. Damage is in millions of US dollars of the year of the event, not adjusted for inflation.

What the record says

NCEI’s account, from the sources it cites.

The captain of a ship loading materials at a dock on Micra Kameni island was killed by an ejected block, and others were injured. (reference #9675)

Other significant eruptions of Santorini

Every eruption in 1866 The 1800s Santorini Earthquakes near Santorini This day in weather history

Sources

Volcanoes and significant eruptions from NOAA’s National Centers for Environmental Information, Global Historical Hazard Database, cited as NCEI/WDS, doi:10.7289/V5PN93H7. Public domain. Read 2026-09-24. Volcano numbers are the Smithsonian Institution’s Global Volcanism Program’s. NCEI event 1650.