Asamayama

July 29, 1936 Eruption of Asamayama

July 29, 1936 · VEI 3 · 2 deaths

Asamayama in Japan erupted on July 29, 1936 with a Volcanic Explosivity Index of 3. The eruption killed 2 people.

Where it erupted

Asamayama, Japan, with its other significant eruptions.

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The eruption

Date
July 29, 1936
Volcano
Asamayama, complex volcano
Country
Japan
Volcanic Explosivity Index
3, moderate to large (eruption column 3 to 15 km)
Killed by
Pyroclastic flows, surges and direct blasts; Tephra (ash, bombs, lapilli, steam blasts)
Location
36.406° N, 138.523° E

The toll

Deaths
2

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.

Single climbers killed on 7/29 and 10/29: the first possibly by small pyroclastic flow. (reference #9675)

Other significant eruptions of Asamayama

More

Every eruption in 1936The 1900sAsamayamaEarthquakes near AsamayamaThis 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 1163.