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ImageDetailsVolcanoesKeywords
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Caption:Kirby Bean and ash on snowfield, Makushin
Date:August 3, 1996 12:00 AM
Photographer:Roach, A. L.
MakushinPeople in action, Stratovolcano, Tephra, Volcano
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Caption:Pete Stelling (left) and Don Richter examine one of many dikes that intrude pre-Akutan volcaniclastic rocks along the coast between Gree Bight and Talus Point, Akutan Island.
Date:August 3, 1996 12:00 AM
Photographer:McGimsey, Game
AkutanFieldwork operations, People in action
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Caption:Pete Stelling and Don Richter examine volcaniclastic rocks along the coast between Green Bight and Talus Point, Akutan Island.
Date:August 3, 1996 12:00 AM
Photographer:McGimsey, Game
AkutanFieldwork operations, People in action
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Caption:Porphyritic airfall deposit on the surface near the top of Peak 1675T, located on the ridge separating Cascade and Broad Bights, Akutan Island.
Date:August 3, 1996 12:00 AM
Photographer:McGimsey, Game
AkutanFieldwork operations, Tephra
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Caption:Head of "long valley" that drains the north flank of Akutan Volcano. The valley is floored by a thick sequence of lahar deposits.
Date:August 2, 1996 12:00 AM
Photographer:McGimsey, Game
AkutanDebris flow/mudflow/landslide/lahar
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Caption:Don Richter examines subaqueous debris flow deposits and overlying columnar-jointed lava flow at Cape Morgan, Akutan Island.
Date:August 1, 1996 12:00 AM
Photographer:McGimsey, Game
AkutanDebris flow/mudflow/landslide/lahar, Fieldwork operations, Lava flow, People in action
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Caption:Don Richter examines a lava flow and a massive section of volcaniclastic rocks near Cape Morgan, Akutan Island.
Date:August 1, 1996 12:00 AM
Photographer:McGimsey, Game
AkutanFieldwork operations, Lava flow, People in action
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Caption:View south toward Cape Morgan from the upper flank of Akutan Volcano of pre-Akutan caldera lava flows and pyroclastic rocks.
Date:August 1, 1996 12:00 AM
Photographer:McGimsey, Game
AkutanLava flow, Pyroclastic flow, Stratovolcano, Volcano
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Caption:Flat Top Peak, Akutan Volcano. In the foreground is the rim of older Akutan caldera, located about 1 km south of the modern caldera rim. Snow-capped Makushin Volcano is visible in the distance.
Date:July 31, 1996 12:00 AM
Photographer:McGimsey, Game
Akutan, MakushinCaldera/crater, Stratovolcano, Volcano
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Caption:Don Richter at the exposure of pyroclastic flow deposits in the remnant of the older Akutan caldera, located about 1 km south of the present caldera rim.
Date:July 31, 1996 12:00 AM
Photographer:McGimsey, Game
AkutanFieldwork operations, People in action, Pyroclastic flow
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Caption:Geologists stand on a dike exposed on a flank of Makushin Volcano. The dike probably supplied magma to a flank vent whose remnants are visible in the distance. View is from the north.
Date:July 30, 1996 12:00 AM
Photographer:Roach, A. L.
MakushinPeople in action, Stratovolcano, Volcano
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Caption:Flat Top Peak, Akutan Volcano. Snow-capped Makushin Volcano is visible in the distance.
Date:July 30, 1996 12:00 AM
Photographer:McGimsey, Game
Akutan, MakushinStratovolcano, Volcano
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Caption:East flank of Akutan Volcano. Top of intracaldera cinder cone is visible in center.
Date:July 30, 1996 12:00 AM
Photographer:McGimsey, Game
AkutanCinder cone, Stratovolcano, Volcano
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Caption:Makushin Volcano viewed from the east. Makushin is a heavily glaciated strato-volcano in the central Aleutian volcanic arc.
Date:July 29, 1996 12:00 AM
Photographer:Roach, A. L.
MakushinGlacier, Stratovolcano, Volcano
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Caption:Geologist approaches the vigorous steam plume at the summit of Makushin Volcano. View is from the west.
Date:July 29, 1996 12:00 AM
Photographer:Roach, A. L.
MakushinPeople in action, Steam, Stratovolcano, Volcano
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Caption:Geologist approaches the vigorous steam plume at the summit of Makushin Volcano. View is from the west.
Date:July 29, 1996 12:00 AM
Photographer:Roach, A. L.
MakushinPeople in action, Steam, Stratovolcano, Volcano
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Caption:Steam plumes at the summit of Makushin Volcano. Ash blankets the snow near the plumes. Akutan Volcano is visible in the distance. View is from the west.
Date:July 29, 1996 12:00 AM
Photographer:Roach, A. L.
Makushin, AkutanSteam, Stratovolcano, Tephra, Volcano
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Caption:Fumarole vent at the summit of Makushin Volcano. Bright yellow sulfur deposits surround the vent.
Date:July 29, 1996 12:00 AM
Photographer:Roach, A. L.
MakushinFumarolic activity, Stratovolcano, Volcano
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Caption:Bob Symonds (Cascade Volcano Observatory) collecting gas samples from fumaroles inside the summit crater of the intracaldera cinder cone of Akutan Volcano.
Date:July 29, 1996 12:00 AM
Photographer:McGimsey, Game
AkutanCaldera/crater, Fieldwork operations, Fumarolic activity, People in action
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Caption:Volcaniclastic deposits at Talus Point, Akutan Island.
Date:July 29, 1996 12:00 AM
Photographer:McGimsey, Game
AkutanStratovolcano, Volcano
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Caption:Bob Symonds collecting gas samples from a fumarole within the crater of Augustine Volcano.
Date:July 29, 1996 12:00 AM
Photographer:McGimsey, G.
AugustineFieldwork operations, Fumarolic activity, People in action, Steam, Volcano
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Caption:Bob Symonds (Cascade Volcano Observatory) collecting gas samples from fumaroles at the head of Hot Springs Bay, Akutan Volcano.
Date:July 28, 1996 12:00 AM
Photographer:McGimsey, Game
AkutanFumarolic activity, People in action
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Caption:Bob Symonds collecting gas samples from fumaroles at the head of Hot Springs Bay, Akutan
Date:July 28, 1996 12:00 AM
Photographer:McGimsey, Game
AkutanFieldwork operations, Fumarolic activity, Hot Springs, People in action
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Caption:Chris Waythomas examines debris flow deposits in upper Hot Springs Bay derived from the fumarolic field located about 1.5 km further up the drainage.
Date:July 27, 1996 12:00 AM
Photographer:McGimsey, Game
AkutanDebris flow/mudflow/landslide/lahar, Fieldwork operations, People in action
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Caption:View east of Cascade Bight, Akutan Island, from peak 1701T. Pre-Akutan volcanic strata dips to the south.
Date:July 25, 1996 12:00 AM
Photographer:McGimsey, Game
AkutanStratigraphic section
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