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Krakatau volcano (Indonesia) - Smithsonian / USGS Weekly Volcanic Activity Report for 5 October-11 October 2011 (New Activity / Unrest)

Wed, 5 Oct 2011, 06:00
06:00 AM | BY: VN
On 8 October, a news article stated that activity at Anak Krakatau was increasing; the number of seismic events was 5,204 on 6 October, 5,543 on 7 October, and 5,883 on 8 October. The Alert Level remained at 3 (on a scale of 1-4), and visitors and residents were not permitted to approach the volcano within a 2-km radius.

Source: The Jakarta Post
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From: Global Volcanism Program, 2011. Report on Krakatau. In: Mayberry, G (ed.), Weekly Volcanic Activity Report 5 October-11 October 2011. Smithsonian Institution and US Geological Survey.

Previous news

Tue, 4 Oct 2011, 08:51

Anak Krakatau volcano (Sunda Strait, Indonesia): new eruption

A new eruption occurred at Anak Krakatau yesterday (3 Oct). A large (2-3 km high) ash cloud was seen rising from the volcano observatory on Java's west coast and is seen in a news TV video. ... Read all
Sun, 2 Oct 2011, 13:09

Krakatau volcano (Sunda Strait, Indonesia): increased seismicity, alert level raised to 3 (out of 4)

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). ... 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 webcams / live data | News/Updates | Earthquakes | Volcano videos | 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), 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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