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Global Volcanism Program | Image GVP-02185

This March 1945 sketch by Masao Mimatsu, the postmaster of a town near Showa-Shinzan volcano, shows an eruption plume extending from the top of the growing lava dome.  After 17 months of slow uplift that raised a cornfield more than 150 m to form the "Roof Mountain," lava first breached the surface in November 1944.   By the time the eruption ended, a year later, the dome reached a height of 275 m above the pre-eruption surface.  Watercolor painting by Masao Mimatsu, 1945.

This March 1945 sketch by Masao Mimatsu, the postmaster of a town near Showa-Shinzan volcano, shows an eruption plume extending from the top of the growing lava dome. After 17 months of slow uplift that raised a cornfield more than 150 m to form the "Roof Mountain," lava first breached the surface in November 1944. By the time the eruption ended, a year later, the dome reached a height of 275 m above the pre-eruption surface.

Watercolor painting by Masao Mimatsu, 1945.

Keywords: artwork


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