A Vulcanian explosion from the Ngāuruhoe cone of Tongariro volcano in New Zealand on 19 February ejects an ash plume and ballistic ejecta. Blocks up to 20 m across reached hundreds of meters above the vent before impacting the flanks.

Photo by Ian Nairn, 1975 (New Zealand Geological Survey).

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

Galleries: Ash Plumes and Ashfall

Keywords: Vulcanian | ash plume | ash | eruption | ballistic ejecta | explosive eruption | block | crater | vent

Tongariro