Mount Anak Krakatau Erupts Three Times This Afternoon

Mount Anak Krakatau (GAK), in the waters of the Sunda Strait off South Lampung regency, Lampung province, erupted, sending an ash column up to 257 metres above sea level.

“An eruption of Mount Anak Krakatau occurred on Sunday, 18 October 2026, at 12.59pm Western Indonesian Time,” the Lampung Regional Disaster Management Agency (BPBD) said in an announcement on its official Instagram account on Sunday (18 October 2026).

The ash column was grey to black, dense and drifting north-east. “The eruption was recorded by a seismograph with a maximum amplitude of 56 mm and a duration of 36 seconds. The activity has ended,” the BPBD said.

Monitoring between 6am and noon on Sunday (18 October) recorded several seismic events. Earlier eruptions were also recorded at 12.01pm, when the ash column reached 657 metres above sea level, or 500 metres above the summit, and at 12.57pm, when it reached 257 metres above sea level, or 100 metres above the summit.

The BPBD urged people in the vicinity of Mount Anak Krakatau, as well as visitors, tourists and climbers, not to approach or carry out activities within a five-kilometre radius of the eruption centre.