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Anak Krakatau volcano (Indonesia): new eruptive phase with powerful explosions, ash reaching 130 km distance

Mon, 3 Sep 2012, 10:05
10:05 AM | BY: T
Heat sources from Krakatau detected over the past 7 days (MODIS image, univ. Hawai'i)
Heat sources from Krakatau detected over the past 7 days (MODIS image, univ. Hawai'i)
A new phase of activity has started at Krakatau volcano. A large explosion occurred early today and produced an ash plume that reached 14,000 ft (4.2 km) according to Darwin VAAC who first observed it at 01:32 GMT.
Ash fall has reached Lampung and over several subdistricts in Bandarlampung, at about 130 kilometers distance. Authorities have issued a warning for local residents and tourists not to approach the volcano.
"It is rather unusual for the dust to be this thick," said Juniardi, a resident of Bandarlampung who complained that the falling dust was also hampering visibility, the Jakarta Globe writes.
According to the news article, the activity of Anak Krakatau has been on the rise over the past few days, reaching almost 90 eruptions per day.
Nurhuda said the report showed the volcano spewed red hot lava up to 300 meters above its peak. "More than 100 volcanic quakes and tremors have been recorded," he added.

Previous news

Wed, 29 Aug 2012, 06:00

Krakatau volcano (Indonesia) - Smithsonian / USGS Weekly Volcanic Activity Report for 29 August-4 September 2012 (New Activity / Unrest)

CVGHM reported that during 1 June-1 September observations of Anak Krakatau were often prevented by fog; occasionally diffuse white plumes were observed rising from the crater in June. Seismicity increased significantly in August. On 2 September seismicity again increased, and at 1830 a Strombolian eruption ejected lava 200-300 m above the crater. ... Read all
Sat, 7 Jul 2012, 14:31

Anak Krakatau volcano (Indonesia), activity update: lava dome has disappeared, new hydrothermal vents

Panorama of the summit crater of Anak Krakatau (2 July 2012)
During our recent expedition to Krakatau volcano, we could no longer see the lava dome active during Feb-May this year. Probably, the magma column had dropped in mid to late May and the dome collapsed. At its place, there were only 2 collapse pits, very hot ground and intense degassing from numerous fumaroles inside and outside of the now large summit crater. ... Read all
Show more
Krakatau volcano
Caldera 813 m (2,667 ft.) / Anak Krakatau: 189 m
Sunda Strait, Indonesia, -6.1°S / 105.42°E
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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