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A spectacular outcrop of tuffs dissected by visible faults near the lighthouse (Photo: Tom Pfeiffer)
A spectacular outcrop of tuffs dissected by visible faults near the lighthouse (Photo: Tom Pfeiffer)
File: santorini_g3202.jpg | 1841 Hits
Copyright: Tom Pfeiffer / www.volcano-photo.com
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Image found in Faszination Volcano: Santorini May+Oct 08 (Part 1): Akrotiri
... and in: Photo of the Day
Thick pumice and ash layers from various volcanic eruptions exposed in the southern caldera walls of Santorini (Photo: Tom Pfeiffer)
Thick pumice and ash layers from various volcanic eruptions exposed in the southern caldera walls of Santorini (Photo: Tom Pfeiffer)
File: santorini_g3168.jpg | 1607 Hits
Copyright: Tom Pfeiffer / www.volcano-photo.com
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Image found in Faszination Volcano: Santorini May+Oct 08 (Part 1): Akrotiri
The third phase ash-flow deposit of the Minoan eruption, in places several tens of meters thick. (Photo: Tom Pfeiffer)
The third phase ash-flow deposit of the Minoan eruption, in places several tens of meters thick. (Photo: Tom Pfeiffer)
File: santorini_g3205.jpg | 1555 Hits
Copyright: Tom Pfeiffer / www.volcano-photo.com
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Image found in Faszination Volcano: Santorini May+Oct 08 (Part 1): Akrotiri
... and in: Photo of the Day
The thick ash flow deposits left by the Minoan eruption (Photo: Tom Pfeiffer)
The thick ash flow deposits left by the Minoan eruption (Photo: Tom Pfeiffer)
File: santorini_g3204.jpg | 1482 Hits
Copyright: Tom Pfeiffer / www.volcano-photo.com
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Image found in Faszination Volcano: Santorini May+Oct 08 (Part 1): Akrotiri
Smooth white rock surfaces (Photo: Tom Pfeiffer)
Smooth white rock surfaces (Photo: Tom Pfeiffer)
File: milos_g6689.jpg | 2721 Hits
Copyright: Tom Pfeiffer / www.volcano-photo.com
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Image found in Milos Island, Greece: photos from Oktober 2008 - Sarakinikos coast
... and in: Photo of the Day
... and in: Photo of the Month
Climbing the impressive caldera cliffs with its many tuff layers exposed along a little trail (Photo: Tom Pfeiffer)
Climbing the impressive caldera cliffs with its many tuff layers exposed along a little trail (Photo: Tom Pfeiffer)
File: santorini_g3165.jpg | 492 Hits
Copyright: Tom Pfeiffer / www.volcano-photo.com
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Image found in Faszination Volcano: Santorini May+Oct 08 (Part 1): Akrotiri
The pumice and ash deposits of the Minoan eruption of Santorini; two of the students for scale. (Photo: Tom Pfeiffer)
The pumice and ash deposits of the Minoan eruption of Santorini; two of the students for scale. (Photo: Tom Pfeiffer)
File: santorini_d20417.jpg | 3105 Hits
Copyright: Tom Pfeiffer / www.volcano-photo.com
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Image found in Santorini "Study abroad" field course: May 07
... and in: Photo of the Day
A spectacular geologic outcrop at the western Yasur caldera rim exposes a 3-4 meter thick, solid red deposit which in fact probably is a deposit from a spatter-rich pyroclastic flow, welded so well together that it appears like a lava flow. A fine-grained base layer and loose or poorly welded spatter at the top can be seen as well.
Btw, very similar deposits can be observed on Santorini (e.g. "Upper Scoria 2") where they have become subjects of numerous studies and are now famous as perfect examples for this unusual (and previously unrecognized) type of pyroclastic flows.  (Photo: Tom Pfeiffer)
A spectacular geologic outcrop at the western Yasur caldera rim exposes a 3-4 meter thick, solid red deposit which in fact probably is a deposit from a spatter-rich pyroc...
File: vanuatu_g15370.jpg | 1611 Hits
Copyright: Tom Pfeiffer / www.volcano-photo.com
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Image found in Vanuatu May 2009: colors
Erosion gullies converging towards one of the major drainage canyongs out of the caldera to the west. (Photo: Tom Pfeiffer)
Erosion gullies converging towards one of the major drainage canyongs out of the caldera to the west. (Photo: Tom Pfeiffer)
File: ambrym_i0289.jpg | 1903 Hits
Copyright: Tom Pfeiffer / www.volcano-photo.com
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Image found in Vanuatu May 2009: Ambrym caldera
... and in: Photo of the Day
Large ash- and pumice pyroclastic flow deposits witness from the giant eruption of Lake Atitlán ca. 74.000 years ago. (Photo: Tom Pfeiffer)
Large ash- and pumice pyroclastic flow deposits witness from the giant eruption of Lake Atitlán ca. 74.000 years ago. (Photo: Tom Pfeiffer)
File: gua_i20136.jpg | 1306 Hits
Copyright: Tom Pfeiffer / www.volcano-photo.com
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Image found in Guatemala Dec 2009: expedition photos
... and in: Photo of the Day
The impressive pumice cliff at the south coast (Santorini Island) (Photo: Tom Pfeiffer)
The impressive pumice cliff at the south coast (Santorini Island) (Photo: Tom Pfeiffer)
File: santorini_g2352.jpg | 1472 Hits
Copyright: Tom Pfeiffer / www.volcano-photo.com
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Image found in Faszination Volcano: Santorini May+Oct 08 (Part 1): Akrotiri
... and in: Photo of the Day
The old soil where the trees grew is visible here. Probably, it formed by deposits of collapse of the Rakata island after the 1883 eruption. The sediment platform it belongs to is now being eroded by wave action. (Photo: Tom Pfeiffer)
The old soil where the trees grew is visible here. Probably, it formed by deposits of collapse of the Rakata island after the 1883 eruption. The sediment platform it belo...
File: krakatau_g4877.jpg | 2314 Hits
Copyright: Tom Pfeiffer / www.volcano-photo.com
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Image found in Krakatau revisited: expedition July 2008 photos
Ash-spewing Tavurvur volcano and the ash-covered Bay of Rabaul, Papua New Guinea  (Photo: Paul Nicholson)
Ash-spewing Tavurvur volcano and the ash-covered Bay of Rabaul, Papua New Guinea (Photo: Paul Nicholson)
File: DSC_2452_ed.jpg | 4564 Hits
Copyright: Paul Nicholson
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Image found in Paul Nicholson's photos
... and in: Photo of the Day
View over the ash plain towards the southern rim of the caldera. (Photo: Tom Pfeiffer)
View over the ash plain towards the southern rim of the caldera. (Photo: Tom Pfeiffer)
File: ambrym_i0250.jpg | 1859 Hits
Copyright: Tom Pfeiffer / www.volcano-photo.com
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Image found in Vanuatu May 2009: Ambrym caldera
... and in: Photo of the Day
On the way to Marum, we follow a large valley cutting through undulated older ash deposits.  (Photo: Tom Pfeiffer)
On the way to Marum, we follow a large valley cutting through undulated older ash deposits. (Photo: Tom Pfeiffer)
File: ambrym_i0055.jpg | 2433 Hits
Copyright: Tom Pfeiffer / www.volcano-photo.com
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Image found in Vanuatu May 2009: excursion to Marum crater
... and in: Vanuatu - volcanoes in the South Sea: tour photos
... and in: Photo of the Day
White cliffs formed by once submarine ash layers at Sarakiniko (Photo: Tom Pfeiffer)
White cliffs formed by once submarine ash layers at Sarakiniko (Photo: Tom Pfeiffer)
File: milos_g6601.jpg | 1670 Hits
Copyright: Tom Pfeiffer / www.volcano-photo.com
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Image found in Milos Island, Greece: photos from Oktober 2008 - Sarakinikos coast
... and in: Beaches & coast of Milos
... and in: Photo of the Day
The volcanic ash layers covering the flat caldera floor, carved by erosion. (Photo: Tom Pfeiffer)
The volcanic ash layers covering the flat caldera floor, carved by erosion. (Photo: Tom Pfeiffer)
File: ambrym_i0052.jpg | 2114 Hits
Copyright: Tom Pfeiffer / www.volcano-photo.com
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Image found in Vanuatu May 2009: excursion to Marum crater
... and in: Photo of the Day
The southern coastline near Akrotiri is dominated by white pumice and ashflow deposits from the Minoan eruption. (Photo: Tom Pfeiffer)
The southern coastline near Akrotiri is dominated by white pumice and ashflow deposits from the Minoan eruption. (Photo: Tom Pfeiffer)
File: santorini_g2364.jpg | 1361 Hits
Copyright: Tom Pfeiffer / www.volcano-photo.com
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Image found in Faszination Volcano: Santorini May+Oct 08 (Part 1): Akrotiri
Numerous hollows many of which still contain charcoal are present in certain sections of the ash flow. When the pyroclastic avalanche flowed over a forest, many trunks and branches of trees were incorporated into the flow and their shape preserved in the deposit. (Photo: Tom Pfeiffer)
Numerous hollows many of which still contain charcoal are present in certain sections of the ash flow. When the pyroclastic avalanche flowed over a forest, many trunks an...
File: gua_i20153.jpg | 1012 Hits
Copyright: Tom Pfeiffer / www.volcano-photo.com
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Image found in Guatemala Dec 2009: expedition photos
... and in: Photo of the Day
Thick pumice and tuff layers at Mesa Pigadia beach (Photo: Tom Pfeiffer)
Thick pumice and tuff layers at Mesa Pigadia beach (Photo: Tom Pfeiffer)
File: santorini_g0207.jpg | 535 Hits
Copyright: Tom Pfeiffer / www.volcano-photo.com
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Image found in Faszination Volcano: Santorini May+Oct 08 (Part 1): Akrotiri
Tuff layers on the south coast of Stromboli (Photo: Tom Pfeiffer)
Tuff layers on the south coast of Stromboli (Photo: Tom Pfeiffer)
File: stromboli_g6079.jpg | 545 Hits
Copyright: Tom Pfeiffer / www.volcano-photo.com
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Image found in Stromboli to Etna Oct 08 (part 2): Stromboli
The slope of Fossa volcano with the black lapilli deposit from the 1888-1890 eruptions, already eroded from the upper slopes. (Photo: Tom Pfeiffer)
The slope of Fossa volcano with the black lapilli deposit from the 1888-1890 eruptions, already eroded from the upper slopes. (Photo: Tom Pfeiffer)
File: vulcano_g5799.jpg | 446 Hits
Copyright: Tom Pfeiffer / www.volcano-photo.com
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Image found in Stromboli to Etna Oct 08 (Part 1): Vulcano & Lipari Islands
Calcified fossile roots and branches (Photo: Tom Pfeiffer)
Calcified fossile roots and branches (Photo: Tom Pfeiffer)
File: milos_g6626.jpg | 586 Hits
Copyright: Tom Pfeiffer / www.volcano-photo.com
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Image found in Milos Island, Greece: photos from Oktober 2008 - additional photos
Surface of the pumice flow deposit (Photo: Tom Pfeiffer)
Surface of the pumice flow deposit (Photo: Tom Pfeiffer)
File: milos_g6531.jpg | 460 Hits
Copyright: Tom Pfeiffer / www.volcano-photo.com
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Image found in Milos Island, Greece: photos from Oktober 2008 - additional photos
White cliffs at Sarakiniko (Photo: Tom Pfeiffer)
White cliffs at Sarakiniko (Photo: Tom Pfeiffer)
File: milos_g6685.jpg | 979 Hits
Copyright: Tom Pfeiffer / www.volcano-photo.com
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Image found in Milos Island, Greece: photos from Oktober 2008 - Sarakinikos coast
Faulted finely layered volcanic ash sediments containing a scoria bomb (Photo: Tom Pfeiffer)
Faulted finely layered volcanic ash sediments containing a scoria bomb (Photo: Tom Pfeiffer)
File: milos_g6548.jpg | 788 Hits
Copyright: Tom Pfeiffer / www.volcano-photo.com
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Image found in Milos Island, Greece: photos from Oktober 2008 - Sarakinikos coast
The flank of the Fossa cone, covered by ash, sand and blocks from the eruptions in 1888-1890. Stromboli in the hazy background. (Photo: Tom Pfeiffer)
The flank of the Fossa cone, covered by ash, sand and blocks from the eruptions in 1888-1890. Stromboli in the hazy background. (Photo: Tom Pfeiffer)
File: vulcano_g2983.jpg | 477 Hits
Copyright: Tom Pfeiffer / www.volcano-photo.com
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Image found in Stromboli to Etna tour April 2008
santorini_d20651.jpg (Photo: Tom Pfeiffer)
santorini_d20651.jpg (Photo: Tom Pfeiffer)
File: santorini_d20651.jpg | 481 Hits
Copyright: Tom Pfeiffer / www.volcano-photo.com
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Image found in Santorini "Study abroad" field course: May 07
The Minoan pumice deposit (Photo: Tom Pfeiffer)
The Minoan pumice deposit (Photo: Tom Pfeiffer)
File: santorini_d20279.jpg | 597 Hits
Copyright: Tom Pfeiffer / www.volcano-photo.com
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Image found in Santorini May 2007: a rainstorm
Red ignimbritge deposits of Cape Therma II and III eruptions; Lower Pumice (BU1) in the top right; these layers ware witnesses of powerful explosive eruptions between 400,000 and 200,000 year ago. (Photo: Tom Pfeiffer)
Red ignimbritge deposits of Cape Therma II and III eruptions; Lower Pumice (BU1) in the top right; these layers ware witnesses of powerful explosive eruptions between 400...
File: santorini_d20267.jpg | 781 Hits
Copyright: Tom Pfeiffer / www.volcano-photo.com
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Image found in Santorini May 2007: a rainstorm
Mighty pumice- and ash deposits from the 1883 eruption of Krakatau off the NW coast of Rakata (Photo: Tom Pfeiffer)
Mighty pumice- and ash deposits from the 1883 eruption of Krakatau off the NW coast of Rakata (Photo: Tom Pfeiffer)
File: krakatau_g4962.jpg | 1537 Hits
Copyright: Tom Pfeiffer / www.volcano-photo.com
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Image found in Krakatau revisited: expedition July 2008 photos
Pumice and ash deposits from the 1883 eruption of Krakatau (Photo: Tom Pfeiffer)
Pumice and ash deposits from the 1883 eruption of Krakatau (Photo: Tom Pfeiffer)
File: krakatau_g4783.jpg | 1604 Hits
Copyright: Tom Pfeiffer / www.volcano-photo.com
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Image found in Krakatau revisited: expedition July 2008 photos
An eroding cliff of older ash deposits form most of the eastern coast of Anak Krakatau. (Photo: Tom Pfeiffer)
An eroding cliff of older ash deposits form most of the eastern coast of Anak Krakatau. (Photo: Tom Pfeiffer)
File: krakatau_g4761.jpg | 1312 Hits
Copyright: Tom Pfeiffer / www.volcano-photo.com
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Image found in Krakatau revisited: expedition July 2008 photos
The Lower Pumice deposits (200 and 180 ka) on the Akrotiri peninsula near Balos (Photo: Tom Pfeiffer)
The Lower Pumice deposits (200 and 180 ka) on the Akrotiri peninsula near Balos (Photo: Tom Pfeiffer)
File: santorini_d19607.jpg | 1302 Hits
Copyright: Tom Pfeiffer / www.volcano-photo.com
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Image found in Santorini April-May 2007 (Fascination Volcano tour)
... and in: Santorini: the caldera cliffs seen from the boat (April / May 2007)
Large, partially burnt or charred tree trunks abound in the deposit, witness of the destructive power of the flow. (Photo: Tom Pfeiffer)
Large, partially burnt or charred tree trunks abound in the deposit, witness of the destructive power of the flow. (Photo: Tom Pfeiffer)
File: colima_k04398.jpg | 236 Hits
Copyright: Tom Pfeiffer / www.volcano-photo.com
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Image found in Colima volcano (Mexico): July 2015 Montitlán pyroclastic flow deposit a year later
The latest erosion allows to study fresh cross-sections of the pyroclastic flow deposit. (Photo: Tom Pfeiffer)
The latest erosion allows to study fresh cross-sections of the pyroclastic flow deposit. (Photo: Tom Pfeiffer)
File: colima_k04432.jpg | 149 Hits
Copyright: Tom Pfeiffer / www.volcano-photo.com
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Image found in Colima volcano (Mexico): July 2015 Montitlán pyroclastic flow deposit a year later
The Benbow crater rising above the ash plain. (Photo: Tom Pfeiffer)
The Benbow crater rising above the ash plain. (Photo: Tom Pfeiffer)
File: ambrym_i0285.jpg | 1288 Hits
Copyright: Tom Pfeiffer / www.volcano-photo.com
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Image found in Vanuatu May 2009: the crater of Benbow (Ambrym volcano)
... and in: Photo of the Day
Rainfalls, in particular heavy ones, have started to re-excavate the river valley in more or less the same place as before. (Photo: Tom Pfeiffer)
Rainfalls, in particular heavy ones, have started to re-excavate the river valley in more or less the same place as before. (Photo: Tom Pfeiffer)
File: colima_k04431.jpg | 143 Hits
Copyright: Tom Pfeiffer / www.volcano-photo.com
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Image found in Colima volcano (Mexico): July 2015 Montitlán pyroclastic flow deposit a year later
colima_k04448.jpg (Photo: Tom Pfeiffer)
colima_k04448.jpg (Photo: Tom Pfeiffer)
File: colima_k04448.jpg | 18 Hits
Copyright: Tom Pfeiffer / www.volcano-photo.com
colima_k04452.jpg (Photo: Tom Pfeiffer)
colima_k04452.jpg (Photo: Tom Pfeiffer)
File: colima_k04452.jpg | 12 Hits
Copyright: Tom Pfeiffer / www.volcano-photo.com
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