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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
Current status: minor activity or eruption warning (3 out of 5)
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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 tours
From 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
 

Krakatoa (Krakatau) volcano news & eruption updates:

Anak Krakatau volcano (Sunda Strait, Indonesia): active lava dome inside summit crater

Wednesday Aug 17, 2011 09:41 AM |

The active lava dome ("dry lava lake"?) inside the crater of Anak Krakatau on 8 August (photo: Andi / VolcanoDiscovery)
The active lava dome ("dry lava lake"?) inside the crater of Anak Krakatau on 8 August (photo: Andi / VolcanoDiscovery)
View of the small lava dome in the crater at night (8 August, photo: Andi / VolcanoDiscovery)
View of the small lava dome in the crater at night (8 August, photo: Andi / VolcanoDiscovery)
An active lava lake can be seen inside the crater of Krakatau. As our Indonesian correspondant and team member Andi reports:
"Since 3 weeks ago, the instrument for monitoring anak krakatau was damaged probably caused by the big eruption 3 weeks ago, as I have seen so many quite big new bombs around the old crater. So we can not know now the seismic activity at all for the moment. Visually the current activity is lower at level 2, but likely ready to explode again in the future days !
The chronology:
I went there on 7-10 Aug... since during 2 days we had no eruptions, but always we can see the glow come from the crater rim if seen from The Sertung island. I was wondering and would climb up to see what was going on inside the crater. In fact I found and seeing like a dry lava lake glowing in the central crater, rumbling and very gassing."
Previous news
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]
Monday, Jan 31, 2011
According to local news, Krakatau continues to produce strong explosions, producing ash plumes up to 1200 m high. ... [more]
Monday, Jan 24, 2011
Krakatau continues to erupt in the Sunda Strait. In January, explosions increased in intensity and size, causing ash fall on the coast 40 km away. [more]

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