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Global Volcanism Program | Image GVP-04556

Herbert is a cone containing a 2-km-wide summit caldera that opens to NW. This 23 June 1987 view from the WSW shows a small plume originating from Cleveland in background, with darkened slopes from ashfall produced during an eruption that began on 19 June. Photo by Harold Wilson (Peninsula Airways), 1987 (courtesy of John Reeder, Alaska Div. Geology Geophysical Surveys).

Herbert is a cone containing a 2-km-wide summit caldera that opens to NW. This 23 June 1987 view from the WSW shows a small plume originating from Cleveland in background, with darkened slopes from ashfall produced during an eruption that began on 19 June.

Photo by Harold Wilson (Peninsula Airways), 1987 (courtesy of John Reeder, Alaska Div. Geology Geophysical Surveys).

Keywords: stratovolcano | caldera | plume | ashfall


Herbert

Cleveland