An ash plume rises from the summit crater of Fugendake on 4 June 1991, the day following deadly pyroclastic flows produced by collapse of a portion of the growing lava dome. The small pond in the foreground fills a crater formed by earlier exposions during the eruption that began in November 1990.

Photo courtesy Takashi Yamada, 1991 (Public Works Research Institute, Ministry of Construction).

This image is made available as a Public Domain Work, but proper attribution is appreciated.

Keywords: ash plume | eruption | ash | plume | explosive eruption | lava dome | vent

Unzendake