Krakatoa volcano, Nov 2019: eruptions from Anak Krakatau and impressions
Participant and team member Andrej Nikiforov witnessed the ongoing activity in Anak Krakatau's crater lake during the Krakatau Volcano Special tour in Nov 2019. Here some impressions:
The crater lake seen from the summit of Anak Krakatau (Photo: AndreyNikiforov) [info]
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Phreatic explosions occurred constantly from the center of the lake, ejecting dense jets of mud, sto... [info]
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Explosions occurred from multiple vents in the center of the crater lake. (Photo: AndreyNikiforov) [info]
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Jets of dark ash rose several meters. (Photo: AndreyNikiforov) [info]
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The crater lake seen from the shore of the lake. (Photo: AndreyNikiforov) [info]
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Some explosions were more powerful than others; this one reached a height of 20-30 meters. (Photo: A... [info]
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The island of Sertung seen behind the steam plume from the crater lake. (Photo: AndreyNikiforov) [info]
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Rakata Island in the background with the erupting craterr lake in the center of image. (Photo: Andre... [info]
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Zoom onto a typical phreatic eruption. (Photo: AndreyNikiforov) [info]
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Small and larger eruptions from two vents. (Photo: AndreyNikiforov) [info]
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The ejection of the dark mud is followed by the release of steam. (Photo: AndreyNikiforov) [info]
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During more energetic phases, small steam surges develop as ring-shaped clouds that expand laterally... [info]
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Small explosion close-up (Photo: AndreyNikiforov) [info]
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Dense fingers of dark ash/mud are thrown several meters during a stronger explosion. (Photo: AndreyN... [info]
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Steam engulfs the material immediately after the eruption. (Photo: AndreyNikiforov) [info]
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The lake surface covered with gray mud, broken by a moderately strong explosion. (Photo: AndreyNikif... [info]
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Energetic explosion, steam plumes developing between the dark ash jets. (Photo: AndreyNikiforov) [info]
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Zoom onto a stronger eruption (Photo: AndreyNikiforov) [info]
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Orange-colored sea water due to suspended particles in front of Anak Krakatau's western shore where ... [info]
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Anak Krakatau and its crater seen from the sea (Photo: AndreyNikiforov) [info]
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Our expedition leader Galih (Photo: AndreyNikiforov) [info]
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Looking towards Panjang Island, part of the eastern caldera rim of Krakatau volcano (Photo: AndreyNi... [info]
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What is left of Anak Krakatau seen from the south. (Photo: AndreyNikiforov) [info]
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View towards the crater area of Anak Krakatau from the sea (Photo: AndreyNikiforov) [info]
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Small eruption and the dense acid steam plume rising from the crater lake. (Photo: AndreyNikiforov) [info]
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Remnants of vegetation from the NW tip of Anak Krakatau, destroyed during the intense surtseyan acti... [info]
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Landing on Anak Krakatau (Photo: AndreyNikiforov) [info]
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Rain falls have cut deep canyon into the several meters-thick ash deposits that were deposited after... [info]
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Anak Krakatau beach in the evening (Photo: AndreyNikiforov) [info]
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Our campsite on Sertung island (Photo: AndreyNikiforov) [info]
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Trees were ripped off their trunks by the sheer force of the tsunami wave on 22 Dec 2018. (Photo: An... [info]
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A single surviving tree on the beach of Panjang island (Photo: AndreyNikiforov) [info]
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Selfie of Andrej on the crater rim of Anak Krakatau (Photo: AndreyNikiforov) [info]
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Cliff of Panjang Island with tsunami damage still clearly visible. (Photo: AndreyNikiforov) [info]
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Western coast of Panjang island with vegetation slowly recovering (Photo: AndreyNikiforov) [info]
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Pumice cliff of Panjang Island (1883 eruption deposits form most part of the cliff). (Photo: AndreyN... [info]
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The inner coast of Rakata, where previous camps had been located. All of the approx. 30 m wide beach... [info]
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Inner coast of Rakata seen from the NW with the former campsite beach in the lower right. (Photo: An... [info]
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Ronny and Galih "at work" near the lake shore of Anak Krakatau (Photo: AndreyNikiforov) [info]
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Sailing away again from a very dangerous place... (Photo: AndreyNikiforov) [info]
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