Explosive eruptions, such as this one in October 1978, occurred at Anak Krakatau from July to November. Initially, explosions occurred at intervals of 15-30 minutes, decreasing to intervals of 30-60 minutes in October before the eruption ended in November.

Photo by J. Matahelumual, 1978 (Volcanological Survey of Indonesia).

Keywords: ash | ash plume | eruption

Krakatau