An ash plume erupting from the cone in the summit crater of Anak Krakatau on 2 May 1961. Anak Krakatau was in almost continuous activity from December 1959 until 1963. The newly formed cone displaced a lake that had filled the crater prior to the start of the eruption.

Photo by D. Hadikusumo, 1961 (Volcanological Survey of Indonesia).

Keywords: ash | ash plume | eruption | crater

Krakatau