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Random pictures

Photo of the Day

The surface of the mud lake. (Photo: Tom Pfeiffer)
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Lava flowing into the sea at Kilauea volcano (April 2007) (Photo: Tom Pfeiffer)
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Media, lava watchers and a bulldozer at work against the menacing lava flow. Lights of Catania in the background. (Photo: Tom Pfeiffer)
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A recent overflow of lava from the lake (probably dated 24 Nov) almost reached the western caldera wall (left in picture). (Photo: Tom Pfeiffer)
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Another violent explosion accompanied by a loud detonation throws out a jet of very fluid lava bursting into bright glowing spatter. (Photo: Tom Pfeiffer)
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Sunrise above the Lake Atitlán with Atitlán, Toliman and San Pedro volcanoes behind (Photo: Tom Pfeiffer)
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1 Dec
The ash plume from Semeru volcano in the first sunlight. (Photo: Tom Pfeiffer)
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Green acid lakes, red and yellow sulphur deposits, thin dangerous crust,- some of the ingredients of Dallol. (Photo: Tom Pfeiffer)
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A dark-blue lake near the eruptive center of the 1928 eruption. It has a surface of thin salt crust that moves with convection.  (Photo: Tom Pfeiffer)
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Lake Natron is very shallow, with a maximum depth of around 1 meter - most of the lake is in fact wet sediment filling up the depression. (Photo: Tom Pfeiffer)
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Sunset mood in Oia (Photo: Tom Pfeiffer)
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The degassing fountains often form clusters that shift position driven by internal convection in the lava lake. (Photo: Tom Pfeiffer)
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Bright eruption from the central crater and glowing from NE vent (r), and a smaller eruption from the western vent (l). (Photo: Tom Pfeiffer)
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Sometimes, large quantities of lava are thrown outside the wall creating small secondary flows. Bursting lava bubbles are torn into thin threads, Pele's hair. (Photo: Tom Pfeiffer)
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Ash emission from Krakatau (Photo: Tom Pfeiffer)
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The smooth crust of the lake is broken into plates, which are moving against or away from each other, simulating plate tectonics. Above, a miniature mid-ocean spreading zone can be seen where two larger pieces of crust are moving away from each other. Even miniature transform faults and sheer zones due to differential and rotational movements can be seen. (Photo: Tom Pfeiffer)
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Bell tower of Agias Spilianis (Mandraki)
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Seconds later the main part of the pyroclastic flow has travelled most of the steep slope. (Photo: Tom Pfeiffer)
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Spring-time at the caldera of Santorini (Photo: Tom Pfeiffer)
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Small white chapel in the fields (Photo: Tom Pfeiffer)
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Camp fire on the beach of Rakata (Photo: Tom Pfeiffer)
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A jet of lava erupts from the NW vent. (Photo: Tom Pfeiffer)
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Jailbalito, one of the many little Maya villages and towns around the shores of Lake Atitlán (Photo: Tom Pfeiffer)
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Group of lava watchers on the rim of the crater. (Photo: Tom Pfeiffer)
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Portrait of a young warrior (Photo: Yashmin Chebli)
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Cliff of Panjang Island with tsunami damage still clearly visible. (Photo: AndreyNikiforov)
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A well in the flat sand desert (Photo: Tom Pfeiffer)
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Exploding lava in the twilight. The eruptions are accompanied by loud detonations. (Photo: Tom Pfeiffer)
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Two ash plumes from powerful ash eruptions one shortly after the other. (Photo: Tom Pfeiffer)
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There is snow even inside the pit crater. (Photo: Tom Pfeiffer)
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Blue cuppola of a church (Oia, Santorini) (Photo: Tom Pfeiffer)
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Ash-rich strombolian explosion. (Photo: Tom Pfeiffer)
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The pumice and ash deposits of the Minoan eruption of Santorini; two of the students for scale. (Photo: Tom Pfeiffer)
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Strong fountaining from the northern margin of the lake makes a great firework, throwing spatter high above the lower crater rim. Many lava clots land outside of the lake. (Photo: Tom Pfeiffer)
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A large lava ball detaches from the advancing lava flow. (Photo: Tom Pfeiffer)
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Tiny Hideaway Island (Photo: Tom Pfeiffer)
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31 Dec
View to the west over part of the caldera of Vulcano. The twin volcanoes of Salina are in the background right.  (Photo: Tom Pfeiffer)
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A 2000 ft descend towards the black bottom of the Valle del Bove (Photo: Tom Pfeiffer)
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Night-time explosion from the 2500 m vent. Some blocks fly almost 1 km high. Lights of Catania in the background. (Photo: Tom Pfeiffer)
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As it gets darker, longer exposures show the parabolic trails of the ejected lava bombs, which reach more than 200 m above the crater rim. (Photo: Tom Pfeiffer)
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Fuego volcano (Photo: Tom Pfeiffer)
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Powdery pure sulphur covers the ground in this area (Photo: Tom Pfeiffer)
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