Usu Eruption, Japan

photo of Usu Eruption, Japan

Hokkaido, Japan: Mount Usu erupted on March 31, 2000 spewing a pyroclastic cloud of smoke and gas high into the air in the first eruption of the volcano in more than two decades. The eruption on the 732-meter volcano in southwestern Hokkaido was first detected along the western ridge of the mountain.

Photo from Asahi Shimbun.

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