Asamayama

July 16, 1938 Eruption of Asamayama

July 16, 1938 · VEI 1 · Deaths: few

Asamayama in Japan erupted on July 16, 1938 with a Volcanic Explosivity Index of 1.

Where it erupted

Asamayama, Japan, with its other significant eruptions.

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The eruption

Date
July 16, 1938
Volcano
Asamayama, complex volcano
Country
Japan
Volcanic Explosivity Index
1, small (eruption column 100 m to 1 km)
Killed by
Tephra (ash, bombs, lapilli, steam blasts)
Location
36.406° N, 138.523° E

The toll

Deaths
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.

There were a few fatalities on July 16,1938. (reference #9675)

Several mountain climbers were killed. Crop damage. (reference #12936)

Other significant eruptions of Asamayama

More

Every eruption in 1938The 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 6505.