Eruption · Indonesia
Krakatau eruption, 4 September 2026
GDACS reported an eruption at Krakatau, Indonesia, starting 4 September 2026. GDACS gave it a Orange alert for its expected impact.
- Volcano
- Krakatau
- Country
- Indonesia
- Reported
- 4 September 2026
- GDACS alert
- Orange
- Source
- GDACS report
About this eruption
GDACS reports eruptions from the volcanic ash advisories and the observatories that watch each volcano. For the volcano's current alert level, this week's Smithsonian report and its eruption history, see the Krakatau page.
Read Volcano alert levels and the VEI for what the alert colours mean.
Not an official warning service. In an emergency, follow your local authorities.