Volcano · Indonesia
Krakatau
Anak Krakatau grew from the sea where the 1883 eruption tore the old island apart.
Status right now
In the latest weekly report
The Pusat Vulkanologi dan Mitigasi Bencana Geologi (PVMBG) reported an increase in low-level eruptive activity at Krakatau starting in early October. During 21 September-9 October seismicity indicating both shallow and deep magmatic processes did not significantly increase.…
Smithsonian Global Volcanism Program and USGS weekly volcanic activity report, 15 October 2026. Read the report.
Checked 4 Nov 2026, 22:39 UTC.
Key facts
- Country
- Indonesia
- Region
- Asia
- Type
- Caldera
- Summit
- 155 m (509 ft)
- Coordinates
- 6.102° S, 105.423° E
- Smithsonian number
- 262000
What kind of volcano is it?
Krakatau is a caldera. A caldera is a huge basin left when a volcano empties its magma chamber in a large eruption and the ground above collapses. Calderas can stay restless for centuries, with earthquakes, ground swelling and gas.
Eruption history
| Date | VEI | Deaths | Also |
|---|---|---|---|
| 22 Dec 2018 | 4 | 437 | tsunami |
| 13 Jun 1993 | 1 | 1 | – |
| 20 Oct 1981 | 1 | – | tsunami |
| 17 Mar 1930 | 2 | – | tsunami |
| 26 Mar 1928 | 2 | – | tsunami |
| Feb 1884 | – | – | tsunami |
| 27 Aug 1883 | 6 | 36,417 | tsunami |
| 10 Oct 1883 | – | – | tsunami |
| 416 | – | – | tsunami |
9 significant eruptions near Krakatau in NOAA's Global Significant Volcanic Eruptions Database, which lists eruptions that caused deaths, damage or a tsunami, or were VEI 6 or larger. VEI is the Volcanic Explosivity Index, from 0 to 8.
Nearby volcanoes
- MerapiIndonesia · 577 km
- MarapiIndonesia · 840 km
- SemeruIndonesia · 857 km
- AgungIndonesia · 1,140 km
- SinabungIndonesia · 1,293 km
- LewotobiIndonesia · 1,933 km
Not an official warning service. In an emergency, follow your local authorities.