An explosive eruption from Ulawun began on 15 January 1970. On 22 January pyroclastic flows were produced, followed by periodic lava emission that produced a flow reaching 5 km SW of the crater. This photo shows an ash plume rising above the summit on 23 January.

Photo by Wally Johnson, 1970 (Australia Bureau of Mineral Resources).

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

Galleries: Ash Plumes and Ashfall | Explosive Eruptions

Keywords: eruption | ash plume | ash | plume | explosive eruption | wind dispersal

Ulawun