July 27, 1780 Eruption of Aogashima

Name: July 27, 1780 Eruption of Aogashima
Start: 1780-07-27
Location: Aogashima, Japan

July 27, 1780 · VEI 3 · 7 deaths

Aogashima in Japan erupted on July 27, 1780 with a Volcanic Explosivity Index of 3. The eruption killed 7 people.

Where it erupted

Aogashima, Japan, with its other significant eruptions.

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The eruption

Date: July 27, 1780
Volcano: Aogashima, stratovolcano
Country: Japan
Volcanic Explosivity Index: 3, moderate to large (eruption column 3 to 15 km)
Location: 32.458° N, 139.759° E

The toll

Deaths: 7
Houses destroyed: 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.

Eruption and earthquake; 7 persons (one source says 14) and all houses at foot of cone burned.

Other significant eruptions of Aogashima

Every eruption in 1780 The 1700s Aogashima Earthquakes near Aogashima 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 2591.