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Global Volcanism Program | Image GVP-02003

Vigorous steam plumes rise from vents near the summit of Ontake in central Honshu, Japan, on 9 November 1979. The first historical eruption began on 28 October and produced a 1.5-km-high eruption plume with ashfall to the NE. Intense gas-and-steam emissions with minor ash continued for several months. Photo by T. Kobayashi, 1979 (courtesy Tokiko Tiba, National Science Museum).

Vigorous steam plumes rise from vents near the summit of Ontake in central Honshu, Japan, on 9 November 1979. The first historical eruption began on 28 October and produced a 1.5-km-high eruption plume with ashfall to the NE. Intense gas-and-steam emissions with minor ash continued for several months.

Photo by T. Kobayashi, 1979 (courtesy Tokiko Tiba, National Science Museum).

Keywords: geothermal features | geothermal | gas plume | plume | volcanic gas


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