Lava lake in Pu'u O'o crater: July 2007

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Lac de lave en Pu'u ' O'o cratère (juillet 2007)

Nous vous présentons quelques photos du lac de lave qui occupent la partie orientale de Pu'u ' O'o cratère sur le volcan Kilauea, Hawaii, pris au cours du 14 au 20 juillet 2007.

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The active lava lake at dusk. The crust is so thin, that the red glow breaks through in many places;... (1117 Hits)	Overturning of older crust is a common feature at lava lakes. When the crust cools sufficiently, it ... (849 Hits)	Hot, liquid lava flooding over older crust. (Photo: Tom Pfeiffer) (917 Hits)	$Liquid lava floods older crust. The weight of the flooding lava causes new fractures and new segments of the crust to overturn (upper left of the photo). (Photo: Tom Pfeiffer)$ Liquid lava floods older crust. The weight of the flooding lava causes new fractures and new segment... (2178 Hits)
Fresh lava from the interior of the lake replaces older crust sinking back into the lake. hawaii_e70... (1004 Hits)	Fresh lava from the interior of the lake flooding over older crust on the lake. hawaii_e7042.jpg (Ph... (1223 Hits)	The lava lake and the spattering vent at night. (Photo: Tom Pfeiffer) (1130 Hits)	$The spattering vent feeding the lava lake and zig-zag fractures on the surface. (Photo: Tom Pfeiffer)$ The spattering vent feeding the lava lake and zig-zag fractures on the surface. (Photo: Tom Pfeiffer... (834 Hits)
The lava lake at dusk and an initial stage of crust overturn in the center. (Photo: Tom Pfeiffer) (832 Hits)	View onto the largely crusted over lava lake. hawaii_e6817.jpg (Photo: Tom Pfeiffer) (810 Hits)	The lava lake in the evening light. At the far end, an overturn of crust has just taken place. (Phot... (869 Hits)	(Photo: Tom Pfeiffer) (1036 Hits)
(Photo: Tom Pfeiffer) (919 Hits)	$Concentric fractures in the lava lake crust causing a larger overturn of several segments on the lava lake surface. (Photo: Tom Pfeiffer)$ Concentric fractures in the lava lake crust causing a larger overturn of several segments on the lav... (1008 Hits)	(Photo: Tom Pfeiffer) (774 Hits)	(Photo: Tom Pfeiffer) (746 Hits)

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