Nyiragongo volcan (DRCongo), jan 2011: surface de lave
Spin web shapes of the surface of the lava lake at night. (Photo: Tom Pfeiffer) [info]
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(2592 Hits)
The crust is so thin it is easily torn apart. At such "rift zones", the exposed hot interior of the ... [info]
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(2435 Hits)
An isolated fountain breaks the sub-concentric arrangements of small plates on the lava lake crust. ... [info]
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(3225 Hits)
A fissure-like fountain cuts through the crust of the lava lake. (Photo: Tom Pfeiffer) [info]
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The lava lake's crust seen at night. (Photo: Tom Pfeiffer) [info]
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(1294 Hits)
Numerous small fountains on the lake, reminding of scattered campfires... (Photo: Tom Pfeiffer) [info]
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(1495 Hits)
The surface of the lake is split into ever changing plates that drift along driven bz internal conve... [info]
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Slightly larger plates form sometimes when an area of the lake hasn't been upset by fountains for a ... [info]
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(990 Hits)
Opposite to what one expects intuitively, the plates are drawn TOWARDS the fountains, not away from ... [info]
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(1041 Hits)
The fountains on the lava lake are caused by degassing, the release of hot gasses that rise from the... [info]
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(1897 Hits)
Small amounts of volcanic gas, visible as bluish sulphur dioxide, escape from the "plate boundaries"... [info]
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(1611 Hits)
The shapes of the plates on the lake are in constant evolution, a fantastic spectacle to watch for h... [info]
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(1738 Hits)
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