August 7, 1977 Eruption of Toya

Name: August 7, 1977 Eruption of Toya
Start: 1977-08-07
Location: Toya, Japan

August 7, 1977 · VEI 3 · 3 deaths

Toya in Japan erupted on August 7, 1977 with a Volcanic Explosivity Index of 3. The eruption killed 3 people.

Where it erupted

Toya, Japan, with its other significant eruptions.

Open the live map with volcanic ash advisories and webcams

The eruption

Date: August 7, 1977
Volcano: Toya, stratovolcano
Country: Japan
Volcanic Explosivity Index: 3, moderate to large (eruption column 3 to 15 km)
Killed by: Indirect deaths (disease, starvation, exposure)
Location: 42.544° N, 140.839° E

The toll

Deaths: 3

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.

Three non-eruptive fatalities occurred during evacuation. (reference #9675)

Other significant eruptions of Toya

Every eruption in 1977 The 1900s 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 6548.