Krakatau volcano: eruption Oct 2018 - ash venting
Along with a small group, Tom Pfeiffer stayed on the island group during a Volcano Special tour from 13-19 Oct: the volcano's activity during this time fluctuated between phases of mild to strong ash venting along with occasional strombolian activity, as well as intermittent powerful vulcanian-type explosions. Ash emissions, both passive and accompanied by strombolian to vulcanian explosions were often continuous:

Very strong and ash-rich explosions occurred from the new summit crater of Anak Krakatau when we arr... [info]
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Billowing ash plumes from this activity rose several hundred meters. (Photo: Tom Pfeiffer) [info]
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The slopes of the summit cone were showered with small and large impacts of bombs. (Photo: Tom Pfeif... [info]
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Another explosion occurred few minutes after the previous one. (Photo: Tom Pfeiffer) [info]
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Dust from bomb impacts and the lower part of the dense ash plume. (Photo: Tom Pfeiffer) [info]
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Ash plume rising near vertically for a few hundred meters. (Photo: Tom Pfeiffer) [info]
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Ash venting is near continuous on the afternoon of 13 Oct. (Photo: Tom Pfeiffer) [info]
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Strong southwesterly winds carry the ash towards the northeast. (Photo: Tom Pfeiffer) [info]
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Phase of weak ash emissions. (Photo: Tom Pfeiffer) [info]
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Activity soon increases again. (Photo: Tom Pfeiffer) [info]
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Continuous mild explosions and ash emissions from Anak Krakatau on 13 Oct 2018 afternoon. (Photo: To... [info]
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Strombolian activity generates a vertical jet of material. (Photo: Tom Pfeiffer) [info]
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Dense ash column rising from Anak Krakatau (Photo: Tom Pfeiffer) [info]
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Strong ash emissions in the evening light. (Photo: Tom Pfeiffer) [info]
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Vertical ash column about 600 m tall. (Photo: Tom Pfeiffer) [info]
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Ash plume from a small explosion on 14 Oct evening. (Photo: Tom Pfeiffer) [info]
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View towards the summit crater from the edge of the forest on Anak Krakatau (Photo: Tom Pfeiffer) [info]
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Dense ash plume from a moderately strong explosion seen from the edge of the forest on 14 Oct. (Phot... [info]
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Ash plume at sunset (Photo: Tom Pfeiffer) [info]
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A mild strombolian eruption seen from the end of the forest on Anak Krakatau (13 Oct) (Photo: Tom Pf... [info]
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Ash emissions decreased towards the end of our stay and were less continuous. This shows a small eru... [info]
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The ash plume is deformed as it's drifting away with the wind. (Photo: Tom Pfeiffer) [info]
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4 months of eruption with predominantly southerly winds have covered the northern and western parts ... [info]
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The scarse vegetation in this area - small shrubs, bushes and few trees - is struggling to survive. ... [info]
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