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Krakatau volcano, Sunda Strait, Indonesia: news & activity updates

Updated: Oct 25, 2025 11:00 GMT-

Krakatau Volcano (Indonesia) activity update Sep 30, 2025 - Unrest

Wed, 1 Oct 2025, 10:15
The Center for Volcanology and Geological Hazard/Pusat Vulkanologi dan Mitigasi Bencana Geologi (CVGHM/PVMBG) reported that unrest continued at Krakatau on 30 September 2025 (local). The alert level remained at "Level 2 - Alert" (on a 4-level scale). Read all

Krakatau Volcano (Indonesia) activity update Sep 26, 2025 - Unrest

Sat, 27 Sep 2025, 10:15
The Center for Volcanology and Geological Hazard/Pusat Vulkanologi dan Mitigasi Bencana Geologi (CVGHM/PVMBG) reported that unrest continued at Krakatau on 26 September 2025 (local). Gas and vapor plume(s) were reported. The alert level remained at "Level 2 - Alert" (on a 4-level scale). Read all
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Krakatau volcano
Caldera 813 m (2,667 ft.) / Anak Krakatau: 189 m
Sunda Strait, Indonesia, -6.1°S / 105.42°E
Map of Krakatau volcano Current status: erupting (4 out of 5) Krakatau volcano eruptions:
1530, 1680-81, 1684, 1883 (Plinian eruption), 1927-30, 1931-32, 1932-34, 1935, 1936, 1937, 1938-40, 1941, 1942, 1943, 1944, 1945, 1946, 1946-47, 1949, 1950, 1952, 1953, 1955, 1958-59, 1959-63, 1965(?), 1969(?), 1972-73, 1975, 1978, 1979, 1980, 1981, 1988, 1992-93, 1994-95, 1996, 1997, 1999, 2000, 2001, 2007-8, April 2009-early 2010, Oct 2010 - March 2011, July-Oct 2011, Jan-May + Sep 2012, 2015(?), 2017, 2018 (22 Dec eruption & tsunami), 2019-ongoing
Typical eruption style
Explosive. Construction of a cinder cone  island (Anak Krakatau) inside the caldera formed by the 1883 eruption. Frequent strombolian activity.
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