July 1957 Eruption of Unzendake

Name: July 1957 Eruption of Unzendake
Start: 1957-07
Location: Unzendake, Japan

July 1957 · 13 deaths

Unzendake in Japan erupted in July 1957. The eruption killed 13 people.

Where it erupted

Unzendake, Japan, with its other significant eruptions.

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The eruption

Date: July 1957
Volcano: Unzendake, complex volcano
Country: Japan
Killed by: Secondary (post-eruption) mudflows
Location: 32.761° N, 130.299° E

The toll

Deaths: 13

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.

Heavy rains produced debris flows on the NW flank of Mayuyama; 13 dead or missing. (reference #9675)

Other significant eruptions of Unzendake

Every eruption in 1957 The 1900s Unzendake Earthquakes near Unzendake

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 6445.