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Krakatau, a small island group in the Sunda Strait between the islands of Sumatra and Java is one of the world's most famous volcanoes. It is a mostly submerged caldera with 3 outer islands belonging to the rim and a new cone, Anak Krakatau, that has been forming a new island since 1927 and remains highly active.
Krakatau exploded spectacularly in a devastating Plinian eruption 1883 that killed more than 30,000 people (mostly by the huge tsunamis triggered by the eruption). The eruption was one of the first global news events after telegraph lines had connected the different continents.
Caldera 813 m (2,667 ft.) / Anak Krakatau: 189 m
Sunda Strait, Indonesia, -6.1°S / 105.42°E
Current status: minor activity or eruption warning (3 out of 5)
Krakatau webcams / live data | ReportsKrakatau volcano videosKrakatau volcano books | Tours
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)
Typical eruption style:Explosive. Construction of a cinder cone island (Anak Krakatau) inside the caldera formed by the 1883 eruption. Frequent strombolian activity.
Last earthquakes nearby
Krakatau volcano toursFrom Krakatau to Bali (16-days study and photo tour to Java, Indonesia) A Dream Come True - World Volcano Tour (4 weeks round-the-world trip to Hawai'i - Vanuatu - New Zealand - Indonesia) Krakatau Volcano Special (expedition to study & observe Anak Krakatau volcano and its activity)
Latest satellite images  Sentinel hub | Landsat 8
Krakatoa (Krakatau) volcano news & eruption updates:
Krakatau volcano (Sunda Strait, Indonesia): increased seismicity, alert level raised to 3 (out of 4)
Sunday Oct 02, 2011 13:09 PM | BY: TOM PFEIFFER
Increased seismic activity recorded at Anak Krakatau has been detected in recent days, suggesting a new eruptive phase might be under way. The Indonesian Volcanological Survey has raised the alert level to 3 (out of 4).
Previous news
Tuesday, Sep 06, 2011
Our colleague Chris Weber who is currently touring on Java reported observing small lava fountains from a vent inside the summit crater of Anak Krakatau volcano. The fountains reached a height of ca. 10 meters.
[more]
Wednesday, Aug 17, 2011
An active lava lake can be seen inside the crater of Krakatau. As our Indonesian correspondant and team member Andi reports: ...
[more]
Thursday, Aug 04, 2011
In recent weeks, small activity has resumed at the summit crater of Anak Krakatau, as satellite data show. The volcano has been producing occasional ash explosions, reaching few 100 meters height.
[more]
Thursday, Mar 24, 2011
According to Indonesian news, the activity at Krakatau volcano has ceased and the eruption is considered to be over. How long the repose will last, time will tell.
[more]
Tuesday, Feb 15, 2011
As observed during the past two days, Anak Krakatau is still active, with weak ash emissions at irregular intervals ranging from several hours to 10 minutes, with about 10 estimated as a daily total. We observed maximum plume heights of 500-1000 m, and rocks projected no further than the summit cone itself. At night, no incandescence was visible.
[more]
More on VolcanoDiscovery:
 Books about Volcanoes: A selection of great books about volcanoes and volcanism, grouped into sections of different reading level interest.
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