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Krakatau volcano (Indonesia): eruption intensifies

Sun, 24 Jul 2022, 20:03
20:03 PM | BY: T
Night-time incandescence seen from the Krakatau observatory yesterday (image: BVMBG / Magma Indonesia)
Night-time incandescence seen from the Krakatau observatory yesterday (image: BVMBG / Magma Indonesia)
Heat emission from Krakatau (image: MODIS)
Heat emission from Krakatau (image: MODIS)
The volcano continues to erupt and over the past week, its activity seems to have been increasing. This is suggested by several observations:
- Incandescence at the Anak Krakatau island (where the active vent is located) can be seen more frequently recently;
- Ash plumes have been detected more frequently both directly as well as on satellite data. VAAC reports volcanic ash frequently show ash rising to 10,000 feet (3 km) height, suggesting that some more powerful explosions occur from time to time.
- Seismicity has been increasing since early July;
- Detected heat emission from the island also shows this trend, hinting at the presence of hot lava in the crater area.
What exactly is going on at the active crater is not known with certainty, but it is very likely that the volcano is in a similar state of activity as it had been frequently over the past decades. This was characterized by near-continuous strombolian activity building a new cone, with intermittent larger explosions. Occasionally, lava flows can accompany this process, but right now, it seems unlikely as a larger thermal signal should probably be expected in such case.

Our volcano expedition scheduled to visit Krakatau from 6-10 September this year will bring direct observations (currently 2 spots left).

Previous news

Wed, 20 Jul 2022, 14:00

Krakatau volcano (Sunda Strait) - Smithsonian / USGS Weekly Volcanic Activity Report for 13 July-19 July 2022 (Continuing Activity)

PVMBG reported that several eruptive events were recorded at Anak Krakatau during 16-18 July. Eruptions at 2253 and 2339 on 16 July, 0847 on 17 July, and 0826, 1549, and 1730 on 18 July produced dense gray-to-black ash plumes that rose 1-2.5 km above the summit and drifted NE, S, SW, and W. Webcam image acquired at 2308 and 2344 on 16 July showed incandescence at the vent. ... 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
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.

Krakatau volcano tours

Java (Indonesia)
From Krakatau to Bali
16-day study and photo tour to Java, Indonesia
16 days / 15 nights - Easy to Moderate
Price 3180 €
Custom and group dates
9-24 Oct 2022
16-31 May 2023
12-27 Jun 2023
4-week round-the-world trip to Hawaii - Vanuatu - New Zealand - Indonesia
25-28 days - Easy
Price on request
Custom and group dates
West Java (Indonesia)
Krakatau Volcano Special
expedition to study & observe Anak Krakatau volcano and its activity
3 -7 days - Easy
Price 1340 €
Custom and group dates
4-8 Oct 2022
1-5 Nov 2022
26-30 Jun 2023
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