Nyiragongo volcan (DRCongo), jan 2011: surface de lave
Spin web shapes of the surface of the lava lake at night. (Photo: Tom Pfeiffer) [info]
(2367 Hits)
(2367 Hits)
The crust is so thin it is easily torn apart. At such "rift zones", the exposed hot interior of the ... [info]
(2303 Hits)
(2303 Hits)
An isolated fountain breaks the sub-concentric arrangements of small plates on the lava lake crust. ... [info]
(3055 Hits)
(3055 Hits)
A fissure-like fountain cuts through the crust of the lava lake. (Photo: Tom Pfeiffer) [info]
(1672 Hits)
(1672 Hits)
The center of the lava lake often contains one or several plates, from which cracks seem to radiate.... [info]
(2798 Hits)
(2798 Hits)
The lava lake's crust seen at night. (Photo: Tom Pfeiffer) [info]
(1266 Hits)
(1266 Hits)
Numerous small fountains on the lake, reminding of scattered campfires... (Photo: Tom Pfeiffer) [info]
(1469 Hits)
(1469 Hits)
The surface of the lake is split into ever changing plates that drift along driven bz internal conve... [info]
(2125 Hits)
(2125 Hits)
Slightly larger plates form sometimes when an area of the lake hasn't been upset by fountains for a ... [info]
(963 Hits)
(963 Hits)
Volcanic gas obscuring the view of the surface of the lava lake. (Photo: Tom Pfeiffer) [info]
(1026 Hits)
(1026 Hits)
Opposite to what one expects intuitively, the plates are drawn TOWARDS the fountains, not away from ... [info]
(1023 Hits)
(1023 Hits)
The fountains on the lava lake are caused by degassing, the release of hot gasses that rise from the... [info]
(1773 Hits)
(1773 Hits)
Small amounts of volcanic gas, visible as bluish sulphur dioxide, escape from the "plate boundaries"... [info]
(1453 Hits)
(1453 Hits)
The shapes of the plates on the lake are in constant evolution, a fantastic spectacle to watch for h... [info]
(1648 Hits)
(1648 Hits)
At night, the lava lake reminds of abstract drawings. (Photo: Tom Pfeiffer) [info]
(1091 Hits)
(1091 Hits)
A "spider web" has formed in the left part of the lake... what is it hoping to catch? (Photo: Tom Pf... [info]
(812 Hits)
(812 Hits)
