Eruption of Chokaisan

When

1 Mar 1974 – 30 Apr 1974

Kind

Volcanic eruption

Coordinates

39.10° N, 140.05° E

Vei

1

Vent

E side of Shinzan, W of Kojin-yama

Dated by

Observations: Reported

Volcano number

283220

Eruption number

18034

Active volcano in the Tohoku region of Japan

Mount Chōkai is an active volcano located on the border of Akita and Yamagata in the Tōhoku region of Japan, and is 2,236 m (7,336 ft) tall. Because of its (roughly) symmetrical shape and massive size, it is also variously known as Dewa Fuji (出羽富士), Akita Fuji (秋田富士) or Shōnai Fuji (庄内富士) depending on the location of the viewer.

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• Smithsonian GVP Volcanoes of the World: Holocene eruptionsGlobal Volcanism Program, Smithsonian InstitutionSmithsonian terms of use: personal, educational and non-commercial use, with creditGlobal Volcanism Program, Smithsonian Institution: Volcanoes of the World v5.3, https://doi.org/10.5479/si.GVP.VOTW5-2025.5.3Source page