An ash plume rises from the summit of Dukono volcano in June 1991. The isolated volcano of Dukono at the northern end of Halmahera Island is one of Indonesia's most active, displaying more or less continuous explosive activity since 1933, when a new cinder cone was formed in Malupang Magiwe crater.

Photo by Vivianne Clavel, 1991.

This image is made available under the Creative Commons BY-NC 4.0 license terms.

Dukono