Both Cleveland (left) and Carlisle (right) volcanoes in the Aleutian islands are snow-covered, but the flanks of Cleveland in this 24 June 1987 photo, seen from the ESE, are darkened by ashfall deposits from an explosive eruption that began on 19 June.

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

Keywords: tephra | stratovolcano | volcanic ash | crater

Cleveland