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ImageDetailsVolcanoesKeywords
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Caption:Westdahl Peak(left) and Faris Peak (right). The fissure running down the flank of Westdahl was the location of spectacular lava fountaining durring the 1991-1992 eruption.
Date:February 2, 1993 12:00 AM
Photographer:Zeillemaker, Fred
WestdahlFissure/ ground crack, Glacier, Volcano
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Caption:Snow-covered lava flows (darkest) on the east flank from the 1991 fissure eruption.
Date:February 2, 1993 12:00 AM
Photographer:Zeillemaker, Fred
WestdahlGlacier, Lava flow, Volcano
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Caption:Snow-covered lava flows on the east flank from the 1991 fissure eruption.
Date:February 2, 1993 12:00 AM
Photographer:Zeillemaker, Fred
WestdahlGlacier, Lava flow, Volcano
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Caption:Westdahl Peak, in upper left corner of image (Faris Peak in distance), was the starting point of the fissure (now appearing as sinuous ice crevasse) that extends to the cinder cone (middle right), produced in the 1991 eruption. Lava flows were fed from drainage of the fissure and from the newly formed cinder cone.
Date:February 2, 1993 12:00 AM
Photographer:Zeillemaker, Fred
WestdahlCinder cone, Fissure/ ground crack, Glacier, Lava flow, Lava fountaining, Volcano
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Caption:Surprise Lake in Aniakchak caldera
Date:1993 12:00 AM
Photographer:McGimsey, Game
Aniakchak, Surprise LakeCaldera/crater, Lake
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Caption:Geologist at Half Cone agglutinate in Aniakchak caldera
Date:1993 12:00 AM
Photographer:McGimsey, Game
Aniakchak, Half ConeCaldera/crater, Debris flow/mudflow/landslide/lahar, People in action
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Caption:Field camp along south shore if Surprise Lake in Aniakchak caldera
Date:1993 12:00 AM
Photographer:McGimsey, Game
Aniakchak, Surprise LakeCaldera/crater, Fieldwork operations, Lake
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Caption:The Gates, landslide block at Aniakchak caldera
Date:1993 12:00 AM
Photographer:McGimsey, Game
AniakchakCaldera/crater, Debris flow/mudflow/landslide/lahar
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Caption:Hubbard Cove, west end of Surprise Lake in the Aniakchak caldera
Date:1993 12:00 AM
Photographer:McGimsey, Game
Aniakchak, Surprise LakeCaldera/crater, Lake
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Caption:The Gates at Aniakchak caldera
Date:1993 12:00 AM
Photographer:Neal, C. A.
AniakchakCaldera/crater
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Caption:Crater Peak with Mt. Spurr in the background.
Date:October 23, 1992 12:00 AM
Photographer:Miller, Tom
Spurr, Crater PeakCaldera/crater, Steam, Stratovolcano, Volcano
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Caption:In this sunset view (westward) from the rooftop of the Alaska Volcano Observatory in Anchorage, a prominent steam and gas plume rises from the Crater Peak vent, Mount Spurr volcano. Photograph by M. Doukas, U.S. Geological Survey, October, 1992.
Date:October1992 12:00 AM
Photographer:Doukas, M.
SpurrEruption cloud/ plume/ column
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Caption:Aerial view of Crater Peak vent, Mount Spurr volcano. Following the three eruptions of 1992, the interior of Crater Peak was partially filled with pyroclastic debris to a thickness of more than 20 m (65 ft). A plume of steam and volcanic gas, at times vigorous, continued to emanate from the vent for several years. Photograph by C. Gardner, U.S. Geological Survey, September 26, 1992.
Date:September 26, 1992 12:00 AM
Photographer:Gardner, C. A.
SpurrEruption cloud/ plume/ column, Steam
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Caption:Mount Spurr Volcano.
Date:September 26, 1992 12:00 AM
Photographer:Gardner, C. A.
SpurrVolcano
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Caption:Hot pyroclastic debris from the September 16 to 17, 1992, eruption of the Crater Peak vent, Mount Spurr volcano, melted deep channels into the crevassed Kidazgeni Glacier. The debris combined with meltwater to produce mudflows or lahars that reached the Chakachatna River, 7 km (4 mi) distant. Photograph by C. Neal, U.S. Geological Survey, September 24, 1992.
Date:September 24, 1992 12:00 AM
Photographer:Neal, C. A.
SpurrDebris flow/mudflow/landslide/lahar, Glacier, Volcano
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Caption:Terrry Keith collecting ash in the Talkeetna Mountains. The ash is from the Sept. 17, 1992 eruption of Crater Peak.
Date:September 24, 1992 12:00 AM
Photographer:McGimsey, Game
Spurr, Crater PeakFieldwork operations, People in action
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Caption:The final 1992 eruption of the Crater Peak vent, Mount Spurr volcano, showered hot debris onto the Kidazgeni Glacier immediately east of Crater Peak. In this view, steam billows from Crater Peak. Dark pyroclastic material blankets the flanks of Crater Peak and the adjacent glacial ice. Photograph by C. Gardner, U.S. Geological Survey, September 23, 1992.
Date:September 23, 1992 12:00 AM
Photographer:Gardner, C. A.
SpurrGlacier, Volcano
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Caption:Spurr summit with September 1992 tephra fall.
Date:September 22, 1992 12:00 AM
Photographer:Neal, C.
SpurrCaldera/crater, Glacier, Stratovolcano, Volcano
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Caption:Vehicles stirring up ash on the Glenn Highway between Sheep Mountain and Glenallen. The ash is from the Sept. 17, 1992 eruption of Crater Peak, Spurr Volcano.
Date:September 18, 1992 12:00 AM
Photographer:McGimsey, Game
Crater Peak, SpurrInfrastructure/ cultural, Tephra
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Caption:Alaska Volcano Observatory scientist examining lahar deposits formed during the September 16 to 17, 1992, eruption of the Crater Peak vent, Mount Spurr volcano. Photograph by R. McGimsey, U.S. Geological Survey, September 17, 1992
Date:September 17, 1992 12:00 AM
Photographer:McGimsey, R. G.
SpurrDebris flow/mudflow/landslide/lahar, People in action
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Caption:Alaska Volcano Observatory scientist sampling the pyroclastic flow deposit from the August 18, 1992, eruption of Crater Peak, a satellite vent of Mount Spurr volcano. View is to the northwest looking up the southeast flank of Crater Peak. Photograph by R. McGimsey, U.S. Geological Survey, September 9, 1992.
Date:September 9, 1992 12:00 AM
Photographer:McGimsey, R. G.
SpurrPeople in action, Pyroclastic flow
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Caption:Impact crater formed by a dense lithic block ejected during the August 18, 1992, eruption of the Crater Peak vent of Mount Spurr volcano. View is to the southeast. Photograph by C. Neal, U.S. Geological Survey, September 9, 1992.
Date:September 9, 1992 12:00 AM
Photographer:Neal, C. A.
SpurrBomb, Fieldwork operations, People in action
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Caption:Tephra from the 1992 eruptions of the Crater Peak vent, Mount Spurr volcano, blanketed narrow swaths of the surrounding countryside. In this view, about 15 cm (6 in) of coarse sand to gravel-sized tephra is exposed in the pit. The surface is dotted with cobblesized bombs from the September 16 to 17, 1992, eruption. Photograph by R. McGimsey, U.S. Geological Survey, September 23, 1992.
Date:September 9, 1992 12:00 AM
Photographer:McGimsey, R. G.
SpurrBomb, Fieldwork operations, People in action, Tephra
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Caption:Within several kilometers of the Crater Peak vent, Mount Spurr volcano, tephra-fall from the 1992 eruptions stripped bark from woody vegetation (bush is about 1.5 m [5 ft] across). Photograph by C. Neal, U.S. Geological Survey, September 9, 1992.
Date:September 9, 1992 12:00 AM
Photographer:Neal, C. A.
SpurrTephra
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Caption:Bomb Crater, South flank of Crater Peak
Date:September 9, 1992 12:00 AM
Photographer:Neal, C.
Crater Peak, SpurrBomb, Fieldwork operations, People in action, Volcanic field, Volcano
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