August 16, 1663 Eruption of Toya

Name: August 16, 1663 Eruption of Toya
Start: 1663-08-16
Location: Toya, Japan

August 16, 1663 · VEI 5 · 5 deaths

Toya in Japan erupted on August 16, 1663 with a Volcanic Explosivity Index of 5. The eruption killed 5 people.

Where it erupted

Toya, Japan, with its other significant eruptions.

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The eruption

Date: August 16, 1663
Volcano: Toya, stratovolcano
Country: Japan
Volcanic Explosivity Index: 5, very large (eruption column over 25 km)
Killed by: Tephra (ash, bombs, lapilli, steam blasts); Pyroclastic flows, surges and direct blasts
Location: 42.544° N, 140.839° E

The toll

Deaths: 5

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.

Deaths by ashfall (and base surge?). (reference #9675)

August 16: Pyroclastic surge and ash fall burned down/buried houses. 5 dead. (reference #12936)

Other significant eruptions of Toya

Every eruption in 1663 The 1600s Toya Earthquakes near Toya 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 2693.