Éruption Anak Krakatau 2007 : principalement des cendres - panaches de cendres ventilation et puissant de cendres
Le type le plus souvent de l'activité a été de ventilation, de cendres survenant à des intervalles de généralement de 2 minutes, mais les panaches qui en résultent ont été les nuages de cendres relativement faible. Certaines des plus puissantes explosions produisent des panaches de hautes d'une hauteur plus de 1 km.

Ash venting: this was the most frequent type of activity we observed during our expedition. Such emi... [info]
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Typical ash venting from the new crater. (Photo: Tom Pfeiffer) [info]
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Regular pulses of ash create a series of ash plumes all drifting in the same direction eastward. (Ph... [info]
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Normal ash venting at dawn of 25 November. (Photo: Tom Pfeiffer) [info]
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Sunset light over the caldera. Weak ash plumes drift in succession over to the east. (Photo: Tom Pfe... [info]
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Ash rich explosion early on 22 Nov. (Photo: Tom Pfeiffer) [info]
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Weak explosions and near-continuous spattering from the vent in the lower left of the crater; only m... [info]
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23 Nov evening: the usual thunderstorms over Sumatra illuminate the sky to the west while Krakatau i... [info]
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krakatau_e33099.jpg (Photo: Tom Pfeiffer) [info]
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24 Nov evening: thick ash plumes rising to more than 1 km. (Photo: Tom Pfeiffer) [info]
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krakatau_e33072.jpg (Photo: Tom Pfeiffer) [info]
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krakatau_e33110.jpg (Photo: Tom Pfeiffer) [info]
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Ash plume from an eruption at Krakatau and fishing boats (Photo: Tom Pfeiffer) [info]
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23 Nov evening: thick ash plumes rise from the eruptions under a full-moon sky. (Photo: Tom Pfeiffer... [info]
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Wind picks up and blows the ash clouds over the top of Anak Krakatau. (Photo: Tom Pfeiffer) [info]
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Finally, the light is off... (Photo: Tom Pfeiffer) [info]
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