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Volcán Nyiragongo (DRCongo), Jan de 2011: patrones de superficie de lava

Spin web shapes of the surface of the lava lake at night. (Photo: Tom Pfeiffer)
Spin web shapes of the surface of the lava lake at night. (Photo: Tom Pfeiffer) [info]
(2610 Éxitos)
The crust is so thin it is easily torn apart. At such "rift zones", the exposed hot interior of the lake quickly cools to form a new plate. (Photo: Tom Pfeiffer)
The crust is so thin it is easily torn apart. At such "rift zones", the exposed hot interior of the ... [info]
(2448 Éxitos)
An isolated fountain breaks the sub-concentric arrangements of small plates on the lava lake crust. (Photo: Tom Pfeiffer)
An isolated fountain breaks the sub-concentric arrangements of small plates on the lava lake crust. ... [info]
(3247 Éxitos)
A fissure-like fountain cuts through the crust of the lava lake. (Photo: Tom Pfeiffer)
A fissure-like fountain cuts through the crust of the lava lake. (Photo: Tom Pfeiffer) [info]
(1723 Éxitos)
The lava lake's crust seen at night. (Photo: Tom Pfeiffer)
The lava lake's crust seen at night. (Photo: Tom Pfeiffer) [info]
(1298 Éxitos)
Numerous small fountains on the lake, reminding of scattered campfires... (Photo: Tom Pfeiffer)
Numerous small fountains on the lake, reminding of scattered campfires... (Photo: Tom Pfeiffer) [info]
(1498 Éxitos)
The surface of the lake is split into ever changing plates that drift along driven bz internal convection. (Photo: Tom Pfeiffer)
The surface of the lake is split into ever changing plates that drift along driven bz internal conve... [info]
(2189 Éxitos)
Slightly larger plates form sometimes when an area of the lake hasn't been upset by fountains for a while. (Photo: Tom Pfeiffer)
Slightly larger plates form sometimes when an area of the lake hasn't been upset by fountains for a ... [info]
(994 Éxitos)
Opposite to what one expects intuitively, the plates are drawn TOWARDS the fountains, not away from them. (Photo: Tom Pfeiffer)
Opposite to what one expects intuitively, the plates are drawn TOWARDS the fountains, not away from ... [info]
(1045 Éxitos)
The fountains on the lava lake are caused by degassing, the release of hot gasses that rise from the magma chambers. The gasses are the main engine of the lake, providing just the right amount of heat energy to keep the lake stable and liquid. (Photo: Tom Pfeiffer)
The fountains on the lava lake are caused by degassing, the release of hot gasses that rise from the... [info]
(1909 Éxitos)
Small amounts of volcanic gas, visible as bluish sulphur dioxide, escape from the "plate boundaries". (Photo: Tom Pfeiffer)
Small amounts of volcanic gas, visible as bluish sulphur dioxide, escape from the "plate boundaries"... [info]
(1617 Éxitos)
The shapes of the plates on the lake are in constant evolution, a fantastic spectacle to watch for hours! (Photo: Tom Pfeiffer)
The shapes of the plates on the lake are in constant evolution, a fantastic spectacle to watch for h... [info]
(1745 Éxitos)
 

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