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Guaranteed tours:
1-19 Sep 2019: Kamchatka - Land of Colors - Kamchatka (Russia)
3-18 Sep 2019: From Krakatau to Bali - Java (Indonesia)
21-28 Sep 2019: Pearl of the Aegean - Santorini - Santorini Island (Greece)
12-20 Oct 2019: From Stromboli to Etna - Eolian Islands + Etna volcano (Italy)
2-18 Nov 2019: Volcanoes and Spices - N-Sulawesi + Halmahera (Indonesia)
17-21 Nov 2019: Krakatau Volcano Special - Krakatau volcano (Indonesia)
17-30 Nov 2019: Desert, salt and volcanoes - Danakil desert (Ethiopia)
9-17 May 2020: From Stromboli to Etna - Eolian Islands + Etna volcano (Italy)
: spaces available / : guaranteed / : few spaces left / : booked out
Random pictures

Photo of the Day

Strange fountains on the Yellow Lake at Dallol show the yellow color of the water. The color is not caused by sulfur, but probably bacteria living on hydrocarbons. (Photo: Tom Pfeiffer)
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Fuego volcano during a strong strombolian explosion seen from the southwest. (Photo: Tom Pfeiffer)
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A small erosion gully exposes the youngest volcanic layers from Tolbachik: different ash and pumice layers can be recognized. (Photo: Tom Pfeiffer)
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Koryaksky stratovolcano (Sep 2018) (Photo: Tom Pfeiffer)
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1 Feb
Photographing the colourful crystals at Sulphur Banks (Photo: Ingrid Smet)
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Day 6: Standing in the centre of what used to be a boiling hot lava lake where the thick cooled crust cracked and buckled as the level of the liquid lake dropped when some of the lava drained back into the vent (Photo: Ingrid Smet)
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A zigzag road takes you from the beach town of Kamari up to the mountain location of the archaeological site of Ancient Thera, built on a rocky promontory next to the higest mountain of Profitis Ilias. (Photo: Ingrid Smet)
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The explosive activity generates a continuous ash plume. (Photo: Tom Pfeiffer)
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Two persons standing at the edge of the crater, which is filled to its rim; in some areas such as here, overflows have destabilized the rim and caused spectacular erosion by collapse of instable parts on the steep flank. (Photo: Tom Pfeiffer)
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Zoom onto a "smoke ring" ejected from the NW vent - a ring vortex caused by a pulse of gas ejected from a circular vent. (Photo: Tom Pfeiffer)
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The strongest explosions throw bombs well beyond the old crater rim, often reaching the forest. (Photo: Tom Pfeiffer)
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Our group's perfect observation spot inside Benbow's crater.  (Photo: Tom Pfeiffer)
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A steam ring is being sent into the air from the hornito-like vent in the NW area of the crater. (Photo: Tom Pfeiffer)
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Another larger glowing rockfall. (Photo: Galih Jati)
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dallol_d21824.jpg (Photo: Tom Pfeiffer)
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View on the active south crater from the southern rim. The sun shines on the yellow walls of the caldera. In the background, the steaming north crater is visible. (Photo: Tom Pfeiffer)
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Thanks to the risen level of the lake, the rim near the campsite now offers unobstructed, perfect views of the whole lake. And thanks to the prevailing easterly winds, it is also usually clear of the fumes, perfect for observation. (Photo: Tom Pfeiffer)
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View from the south onto the caldera. To the left, the complex of the Polyvotis craters and lava dome and in the center the Stefanos crater. (c)
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Coral reef of Emae Island (Photo: Tom Pfeiffer)
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View of some tundra-covered low mountains during the flight towards ... (Photo: Tom Pfeiffer)
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Ash emission with lightning (Photo: Galih Jati)
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Hot thermal spring near Lassen volcano (Photo: Tom Pfeiffer)
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The spattering is interrupted from time to time by mild to moderate strombolian-type explosions. (Photo: Tom Pfeiffer)
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Houses in Stromboli (Photo: Tom Pfeiffer)
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Ushkovsky, Klyuchevskoy, Kamen and Bezymianny volcanoes are ligned up in the background. (Photo: Tom Pfeiffer)
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Sometimes, spattering is stronger when larger lava bubbles burst on the surface of a little lava lake inside the vent.  (Photo: Tom Pfeiffer)
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Trapped gasses start to escape in violent fountains at the margin of the lake. (Photo: Tom Pfeiffer)
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Wave erosion has cut out a narrow fissure through the ash deposit. With time, this widens into a channel. (Photo: Tom Pfeiffer)
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Akrotiri beach (Photo: Tom Pfeiffer)
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Forest and fog on Acatenango (Photo: Tom Pfeiffer)
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Adamas in the evening (Photo: Tom Pfeiffer)
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The Ancient Greek theatre at Plaka in Milos (Photo: Tom Pfeiffer)
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1 Mar
A lava fountain and pieces of crust around sinking into the lava lake (Photo: Tom Pfeiffer)
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The central crater, Voragine, of Etna. (Photo: Tom Pfeiffer)
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Ash fingers following trails of ejected bombs during a vulcanian explosion of Krakatau (Oct 2018) (Photo: Galih Jati)
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