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ImageDetailsVolcanoesKeywords
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Caption:Geologist Tina Neal examining 1990 pyroclastic-flow and pyroclastic-surge deposits on the surface of the piedmont lobe of Drift glacier at Redoubt Volcano. Photograph by C. Gardner, U.S. Geological Survey, July 20, 1991.
Date:July 20, 1991 12:00 AM
Photographer:Gardner, C.
RedoubtFieldwork operations, Glacier, People in action
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Caption:Mount Jarvis, 4,091 m (13,421 ft) high, is the youngest volcano in the eastern Wrangell volcanic field. Mount Jarvis was active approximately 1 to 2 million years ago. View is to the southeast. Photograph by R. McGimsey, U.S. Geological Survey, July 15, 1991.
Date:July 15, 1991 12:00 AM
Photographer:McGimsey, R. G.
JarvisVolcano
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Caption:Geologist Jack Kleinman setting up GPS (Global Positioning System) instrumentation on the north flank of Redoubt Volcano. The GPS receiver calculates an extremely accurate position on the Earth's surface through satellite-based triangulation. View is to the northeast. Photograph by Game McGimsey, June 21, 1991.
Date:June 21, 1991 12:00 AM
Photographer:McGimsey, Game
RedoubtFieldwork operations, People in action, Seismic/GPS installation
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Caption:Geologist Jack Kleinman sets up a tripod at the 6200' level on the north flank of Redoubt Volcano, Alaska. A Global Positioning System antenna was placed on the tripod as part of a volcano-wide survey to look for deformation of the edifice.
Date:June 21, 1991 12:00 AM
Photographer:McGimsey, Game
RedoubtFieldwork operations, People in action, Seismic/GPS installation, Volcano
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Caption:Jack Kleinman setting up a GPS station at the 6200' camera site on Redoubt.
Date:June 21, 1991 12:00 AM
Photographer:McGimsey, G.
RedoubtFieldwork operations, People in action, Seismic/GPS installation, Volcano
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Caption:Hayes Volcano. Pyroclastic flows and dome at 7200 feet showing the Granite/Quaternary pyroclastic flow contact.
Date:June 14, 1991 12:00 AM
Photographer:Miller, Tom
HayesDome, Pyroclastic flow
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Caption:Hayes Volcano. Quaternary pyroclastic flows are seen behind a granitic complex in the foreground.
Date:June 14, 1991 12:00 AM
Photographer:Miller, Tom
HayesVolcano, Stratovolcano, Pyroclastic flow
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Caption:View southeast up the Valley of Ten Thousand Smokes from the Overlook Cabin above Three Forks in Katmai National Park and Preserve, Alaska. The valley is filled with up to 200 m (660 ft) of ash-flow deposits from the 1912 eruption of Novarupta volcano. The rim of Katmai Caldera is on the skyline at left. Photograph by Game McGimsey, U.S. Geological Survey, June 10, 1991.
Date:June 10, 1991 12:00 AM
Photographer:McGimsey, Game
Katmai, NovaruptaCaldera/crater, Tephra
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Caption:View southeast up the Valley of Ten Thousand Smokes from the Overlook Cabin in Katmai National Park and Preserve, Alaska. The valley has been filled with up to 200 m (660 ft) of ash-flow deposits from the 1912 eruption of Novarupta volcano. The rim of Katmai Caldera is on the skyline at left. Photograph by Game McGimsey, U.S. Geological Survey, June 8, 1991.
Date:June 8, 1991 12:00 AM
Photographer:McGimsey, R.
Katmai, NovaruptaCaldera/crater, Tephra
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Caption:Game McGimsey on rappel collecting samples of the ash flow tuff in the Valley of Ten Thousand Smokes, Katmai.
Date:June 6, 1991 12:00 AM
Photographer:Riehle, Jim
KatmaiFieldwork operations, People in action, Pyroclastic flow
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Caption:Game McGimsey on rappel collecting interval samples through the ashflow sheet of the Valley of Ten Thousand Smokes, Katmai.
Date:June 6, 1991 12:00 AM
Photographer:Riehle, Jim
KatmaiFieldwork operations, People in action, Pyroclastic flow
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Caption:Game McGimsey collecting samples from the ash flow sheet in the Valley of Ten Thousand Smokes, Katmai.
Date:June 6, 1991 12:00 AM
Photographer:Riehle, Jim
KatmaiFieldwork operations, People in action, Tephra
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Caption:Geologist samples slightly thermal, sulferous spring water from Dutton Volcano on the Alaska Peninsula.
Date:June1991 12:00 AM
Photographer:Neal, C. A.
DuttonFieldwork operations, Fumarolic activity, People in action
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Caption:Dutton 1974. Photograph courtesy of Betsy Yount.
Date:June1991 12:00 AM
Photographer:Yount, Betsy
DuttonVolcano
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Caption:Dutton 1974. Photograph courtesy of Betsy Yount.
Date:June1991 12:00 AM
Photographer:Yount, Betsy
DuttonVolcano
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Caption:Dutton 1974. Photograph courtesy of Betsy Yount.
Date:June1991 12:00 AM
Photographer:Yount, Betsy
DuttonVolcano
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Caption:Dutton 1974. Photograph courtesy of Betsy Yount.
Date:June1991 12:00 AM
Photographer:Yount, Betsy
DuttonVolcano
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Caption:Dutton 1974. Photograph courtesy of Betsy Yount.
Date:June1991 12:00 AM
Photographer:Yount, Betsy
DuttonVolcano
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Caption:Dutton 1974. Photograph courtesy of Betsy Yount.
Date:June1991 12:00 AM
Photographer:Yount, Betsy
DuttonVolcano
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Caption:The Anchorage AVO staff in April 1991. From left to right: Game McGimsey, Mike Doukas, John Paskievitch, Dave Meyer, Joe Dorava, Tom Miller, Tina Neal (Not shown: Don Richter and Inyo Ellersieck). Photo courtesy of Tina Neal, USGS.
Date:April1991 12:00 AM
Photographer:Neal, Tina
Just for fun
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Caption:View of tree burnt by lava flow ~1900.
Date:1991 12:00 AM
Photographer:Baichtal, J. F.
Iskut-Unuk River conesCinder cone, Lava flow
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Caption:Aerial view of lava flow, Blue River, Canada.
Date:1991 12:00 AM
Photographer:Baichtal, J. F.
Iskut-Unuk River conesCinder cone, Lava flow
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Caption:Aerial view of lava flow, Blue River, Canada.
Date:1991 12:00 AM
Photographer:Baichtal, J. F.
Iskut-Unuk River conesCinder cone, Lava flow
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Caption:Aerial view of cinder cone, lava flow, and Blue River.
Date:1991 12:00 AM
Photographer:Baichtal, J. F.
Iskut-Unuk River conesCinder cone, Lava flow
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Caption:Westdahl eruption 1991. Northeast flow.
Date:1991 12:00 AM
Photographer:Neal, Christina
WestdahlLava flow, Volcano, Steam
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