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ImageDetailsVolcanoesKeywords
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Caption:Gareloi Volcano, elevation 1573 m, in the western Aleutian Islands, Alaska. Levied lava flows from a 1980s eruption drape the south flank of the southern summit crater. The white zone on the crater headwall is an extensive fumarole field.
Date:September 25, 2003 12:00 AM
Photographer:McGimsey, R. G.
GareloiFumarolic activity, Lava flow
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Caption:Tephra layers on the north flank of Takawangha volcano.
Date:September 19, 2003 12:00 AM
Photographer:Coombs, M. L.
TakawanghaTephra
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Caption:Pre-Tanaga unit (debris flows and lavas) on the southern coast of the northern half of Tanaga Island.
Date:September 18, 2003 12:00 AM
Photographer:Coombs, M. L.
Tanaga, TakawanghaDebris flow/mudflow/landslide/lahar, Lava flow
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Caption:Looking downslope onto a debris flow from the hydrothermally altered west flank of Takawangha volcano.
Date:September 17, 2003 12:00 AM
Photographer:Coombs, M. L.
TakawanghaDebris flow/mudflow/landslide/lahar, Stratovolcano
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Caption:Helicopter landing on the back of the Maritime Maid after a day of field work.
Date:September 17, 2003 12:00 AM
Photographer:Coombs, M. L.
Takawangha, TanagaFieldwork operations
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Caption:From left to right: Sajaka, Tanaga, and East Tanaga, as seen from the summit of Takawangha.
Date:September 16, 2003 12:00 AM
Photographer:Coombs, M. L.
Tanaga, TakawanghaStratovolcano, Volcano
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Caption:Lake-filled crater at Takawangha's summit.
Date:September 16, 2003 12:00 AM
Photographer:Coombs, M. L.
TakawanghaCaldera/crater, Glacier, Lake, Stratovolcano, Volcano
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Caption:Craters atop Takawangha's summit, looking west.
Date:September 16, 2003 12:00 AM
Photographer:Coombs, M. L.
TakawanghaCaldera/crater, Glacier, Stratovolcano, Volcano
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Caption:Craters atop Takawangha's summit, looking west.
Date:September 16, 2003 12:00 AM
Photographer:Coombs, M. L.
TakawanghaCaldera/crater, Glacier, Stratovolcano, Volcano
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Caption:Young basalt flows on south flank of Takawangha, erupted from one of several summit craters.
Date:September 16, 2003 12:00 AM
Photographer:Coombs, M. L.
TakawanghaCaldera/crater, Glacier, Lava flow, Stratovolcano, Volcano
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Caption:Brandon Browne excavating section 03GRBB56, south flank of Gareloi. Section comprises fall from 1929 eruption.
Date:September 12, 2003 12:00 AM
Photographer:Coombs, M. L.
GareloiPeople in action, Stratigraphic section, Tephra
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Caption:Banded pumice from section 03GRBB56, south flank of Gareloi.
Date:September 12, 2003 12:00 AM
Photographer:Coombs, M. L.
GareloiStratigraphic section, Tephra
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Caption:Crater 3 of 1929 eruption, south flank of Gareloi. Looking north.
Date:September 10, 2003 12:00 AM
Photographer:Coombs, M. L.
GareloiCaldera/crater, Fissure/ ground crack
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Caption:Vegetated surface of the top of lava flow from Crater 4, 1929 eruption of Gareloi.
Date:September 10, 2003 12:00 AM
Photographer:Coombs, M. L.
GareloiFissure/ ground crack, Lava flow
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Caption:Standing atop lava flow from Crater 1, looking into Crater 1, of 1929 eruption of Gareloi.
Date:September 10, 2003 12:00 AM
Photographer:Coombs, M. L.
GareloiCaldera/crater, Fissure/ ground crack, Lava flow
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Caption:Brandon Browne standing in front of Crater 5, of the 1929 Gareloi eruption. Lava flow from Crater 5a spills into Crater 5.
Date:September 3, 2003 12:00 AM
Photographer:Browne, B. L.
GareloiCaldera/crater, Fissure/ ground crack, Lava flow
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Caption:Debris flow emplaced late during 1929 eruption, overlain by dark 1980s-era (?) lava flows.
Date:September 2, 2003 11:48 AM
Photographer:Coombs, M. L.
GareloiDebris flow/mudflow/landslide/lahar, Lava flow
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Caption:Thin latite lava flow effused from Crater 1 during 1929 eruption of Gareloi. Underlain by scoria from the 1929 eruption and older deposits.
Date:September 2, 2003 12:00 AM
Photographer:Coombs, M. L.
GareloiCaldera/crater, Lava flow
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Caption:Brandon Browne and Game McGimsey measuring section 03GRBB16 on south flank of Gareloi Volcano. Section comprises fall deposits from 1929 eruption of Gareloi.
Date:September 2, 2003 12:00 AM
Photographer:Coombs, M. L.
GareloiPeople in action, Pyroclastic flow, Stratigraphic section, Tephra
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Caption:1980s-era lava flowing into gully cut into 1929 pyroclastics, south flank of Gareloi. Near site 03GRBB16.
Date:September 2, 2003 12:00 AM
Photographer:Coombs, M. L.
GareloiLava flow, People in action, Pyroclastic flow, Stratigraphic section, Tephra
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Caption:Brandon Browne and Game McGImsey crossing debris flow emplaced at the end of the 1929 eruption, south flank of Gareloi. Debris flow contains many large blocks of hydrothermall altered crater rock.
Date:September 2, 2003 12:00 AM
Photographer:Coombs, M. L.
GareloiDebris flow/mudflow/landslide/lahar, People in action
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Caption:Southern summit crater of Gareloi, with steaming west wall and 1980s lava flows in foreground.
Date:September 1, 2003 12:00 AM
Photographer:Coombs, M. L.
GareloiCaldera/crater, Fumarolic activity, Lava flow, Stratovolcano, Volcano
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Caption:South flank of Gareloi Volcano, showing south summit crater, breached to south, and 1980s-era basalt flows. Much of the flank is covered by 1929 pyroclastics, into which gullies have eroded. Hydrothermally altered area along summit crater rim is the site of persistent fumarolic activity.
Date:August 30, 2003 12:00 AM
Photographer:Coombs, M. L.
GareloiCaldera/crater, Debris flow/mudflow/landslide/lahar, Fumarolic activity, Lava flow, Volcano
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Caption:Gareloi Volcano, August 30, 2003.
Date:August 30, 2003 12:00 AM
Photographer:Plucinski, T. A.
GareloiCaldera/crater, Lava flow, Volcano
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Caption:Incoming.
Date:August 30, 2003 12:00 AM
Photographer:Plucinski, T. A.
Gareloi, TanagaPeople in action
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