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ImageDetailsVolcanoesKeywords
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Caption:Low level plume from the active cone of Veniaminof on the evening of August 11, 2013. Image from the FAA Perryville NW webcam.
Date:August 11, 2013 11:10 PM
Photographer:FAA Perryville NW webcam,
VeniaminofEruption cloud/ plume/ column
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Caption:Active fumaroles at the summit of Makushin volcano.
Date:August 11, 2013 7:17 PM
Photographer:Schaefer, Janet
MakushinCaldera/crater, Fumarolic activity
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Caption:Active fumaroles at the summit of Makushin volcano.
Date:August 11, 2013 7:17 PM
Photographer:Schaefer, Janet
MakushinCaldera/crater, Fumarolic activity
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Caption:A large delta remains at the mouth of crater creek as sediment continues to erode from the caldera at Okmok volcano, following the 2008 eruption. The shipwreck "Equinox" can be seen buried in the sediment.
Date:August 11, 2013 4:20 PM
Photographer:Schaefer, Janet
OkmokCaldera/crater, Debris flow/mudflow/landslide/lahar
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Caption:The summit of the new cone formed during the 2008 eruption of Okmok volcano is eroding and a lake is filling the bottom of the crater. Cone D is the higher peak directly behind the new cone.
Date:August 11, 2013 3:31 PM
Photographer:Schaefer, Janet
OkmokCaldera/crater, Maar/tuff cone/tuff ring
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Caption:Large new deltas expand into north Cone D lake as the loose tephra erodes from the new cone formed during the 2008 eruption in the caldera at Okmok volcano.
Date:August 11, 2013 3:29 PM
Photographer:Schaefer, Janet
OkmokCaldera/crater, Maar/tuff cone/tuff ring
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Caption:View to the east of the new cone that formed during the 2008 eruption in the caldera at Okmok volcano. The new cone is on the left, and the older Cone D, is the higher peak on the right.
Date:August 11, 2013 2:31 PM
Photographer:Schaefer, Janet
OkmokCaldera/crater, Maar/tuff cone/tuff ring
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Caption:Erosion of the 2008 tephra deposits in Okmok caldera.
Date:August 11, 2013 2:08 PM
Photographer:Schaefer, Janet
OkmokCaldera/crater, Tephra
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Caption:The Gates at Okmok volcano.
Date:August 11, 2013 12:00 PM
Photographer:Schaefer, Janet
OkmokCaldera/crater
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Caption:The Gates at Okmok volcano
Date:August 11, 2013 12:00 PM
Photographer:Schaefer, Janet
OkmokCaldera/crater
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Caption:Janet Schaefer examines the Holocene tephra record at Makushin Volcano. This stream cut revealed about 8,000 years of history. We found peat, organic material that can help us date some of the younger ash fall layers, here prominent as stripes in the bank.
Date:August 9, 2013 3:45 PM
Photographer:Neal, Christina
MakushinPeople in action, Tephra
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Caption:Jim Beget, Jim Vallance, and Janet Schaefer at Makushin Volcano tracking tephra deposits.
Date:August 8, 2013 2:00 PM
Photographer:Neal, Christina
MakushinPeople in action, Tephra
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Caption:AVO geologist Janet Schaefer examines Makushin Volcano tephra deposits, as part of a project to better understand the eruptive history of this active volcano. Makushin lies just west of the fishing hub of Dutch Harbor/Unalaska in the Aleutian Islands.
Date:August 8, 2013 1:03 PM
Photographer:Neal, Tina
Makushin
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Caption:A gorgeous rainbow graces us for just a moment on the Lava Ramp at Makushin Volcano during fieldwork this summer.
Date:August 8, 2013 10:24 AM
Photographer:Neal, Christina
MakushinShield volcano
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Caption:Gareloi Island, volcanic fumarolic cloud.
Date:August 5, 2013 12:31 PM
Photographer:Jones, Ian
Gareloi
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Caption:Gareloi Volcano.
Date:August 5, 2013 10:51 AM
Photographer:Jones, Ian
Gareloi
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Caption:Gareloi Volcano.
Date:August 5, 2013 10:49 AM
Photographer:Jones, Ian
Gareloi
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Caption:Gareloi Volcano.
Date:August 5, 2013 10:46 AM
Photographer:Jones, Ian
Gareloi
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Caption:Gareloi Volcano.
Date:August 5, 2013 10:46 AM
Photographer:Jones, Ian
Gareloi
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Caption:Gareloi Volcano, Aleutian Islands, Alaska.
Date:August 5, 2013 10:46 AM
Photographer:Jones, Ian
Gareloi
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Caption:Summer sunrise behind Tanaga Island.
Date:August 5, 2013 7:17 AM
Photographer:Jones, Ian
Tana, Tanaga
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Caption:Summer sunrise, Tanaga Island and volcano.
Date:August 5, 2013 7:17 AM
Photographer:Jones, Ian
Tanaga
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Caption:Sunrise in the Aleutians. Tanaga Island and the R/V Tiglax.
Date:August 5, 2013 7:15 AM
Photographer:Jones, Ian
Tana, Tanaga
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Caption:Augustine's summit from near Kamishak.
Date:July 31, 2013 11:24 AM
Photographer:Coombs, Michelle
Augustine
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Caption:Geology field work at Augustine Volcano, July-August 2013
Date:July 30, 2013 9:33 PM
Photographer:Coombs, Michelle
Augustine
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