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Caption:Okmok 2016 AVO field team from left to right: John Combs (Maritime helicopter pilot), Deb Bergfeld (USGS Menlo Park), Taryn Lopez (UAF-GI/AVO), Amberlee Darold (USGS CVO), Janet Schaefer (ADDGS/AVO), Jessica Larsen (UAF-GI/AVO) and Max Kaufman (UAF-GI/AVO).
Date:July 17, 2016 9:48 PM
Photographer:Bergfeld, Deb
Array
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Caption:Collecting a gas sample from steaming ground at Geyser Bight
Date:July 17, 2016 3:50 PM
Photographer:Bergfeld, Deborah
RecheshnoiFieldwork operations, Steam
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Caption:Taryn Lopez (UAF-GI/AVO) collects a gas sample from steaming ground at the Geyser Bight geothermal area on the flank of Mount Recheshnoi.
Date:July 17, 2016 3:49 PM
Photographer:Bergfeld, Deb
RecheshnoiFumarolic activity
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Caption:Taryn Lopez (UAF-GI/AVO) collects a gas sample from steaming ground at the Geyser Bight geothermal area on the flank of Mount Recheshnoi.
Date:July 17, 2016 3:49 PM
Photographer:Bergfeld, Deb
Recheshnoi
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Caption:MultiGAS instrument set up near steaming ground at Geyser Bight (Recheshnoi Volcano) to measure gas composition.
Date:July 17, 2016 3:07 PM
Photographer:Lopez, Taryn
RecheshnoiFumarolic activity
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Caption:Furmaroles and muddy pools at upper Geyser Bight
Date:July 17, 2016 1:56 PM
Photographer:Bergfeld, Deborah
RecheshnoiFumarolic activity, Steam
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Caption:Upper Fumarole Field at Geyser Bight
Date:July 17, 2016 1:56 PM
Photographer:Bergfeld, Deborah
RecheshnoiFumarolic activity
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Caption:View of steaming ground in the Geyser Bight geothermal area on the flank of Mount Recheshnoi, Umnak Island.
Date:July 17, 2016 1:54 PM
Photographer:Lopez, Taryn
RecheshnoiFumarolic activity
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Caption:Example of one of many degassing vents found within the Geyser Bight geothermal region.
Date:July 17, 2016 1:53 PM
Photographer:Bergfeld, Deb
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Caption:Deb Bergfeld (USGS) collects water discharge measurements within Okmok's caldera.
Date:July 15, 2016 4:45 PM
Photographer:Lopez, Taryn
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Caption:Creek outflow at the toe of Cone D, Okmok Volcano.
Date:July 14, 2016 5:52 PM
Photographer:Bergfeld, Deborah
OkmokPeople in action
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Caption:Rapid erosion of the new 2008 tuff cone, Ahmanilix, has resulted in large debris fans entering north Cone D lake inside Okmok caldera.
Date:July 14, 2016 4:01 PM
Photographer:Schaefer, Janet
OkmokCaldera/crater, Lake, Maar/tuff cone/tuff ring
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Caption:Deb Bergfeld (USGS Menlo Park) collects stream flow measurements from the Northern base of Okmok's Cone D (Gage Site 3; OKM16-10).
Date:July 14, 2016 3:37 PM
Photographer:Lopez, Taryn
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Caption:AVO geologist, Jessica Larsen (UAF/GI), collecting a GPS ground control point on the rim of Cone B, inside Okmok caldera. Ahmanilix, the new tuff cone formed during the 2008 eruption, is the flat-topped dark feature on the opposite side of the caldera, upper left on the image. View is to the southeast.
Date:July 14, 2016 2:27 PM
Photographer:Schaefer, Janet
OkmokCaldera/crater, Cinder cone, Maar/tuff cone/tuff ring
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Caption:A green lake in the bottom of Cone E crater within the caldera at Okmok volcano. View is toward the west wall of Okmok caldera.
Date:July 14, 2016 1:57 PM
Photographer:Schaefer, Janet
OkmokCaldera/crater, Lake, Maar/tuff cone/tuff ring
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Caption:Deb Bergfeld (USGS) collects water discharge measurements at the base of Okmok's Cone D.
Date:July 14, 2016 1:31 PM
Photographer:Lopez, Taryn
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Caption:Deb Bergfeld (USGS Menlo Park) collects stream gage measurements to calculate stream outflow (Gage Site 1; OKM16-08).
Date:July 14, 2016 12:46 PM
Photographer:Lopez, Taryn
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Caption:View of the Northern base of Okmok's Cone D showing numerous water discharge sites.
Date:July 14, 2016 12:18 PM
Photographer:Lopez, Taryn
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Caption:View of Okmok's North Cone D Lake.
Date:July 14, 2016 12:17 PM
Photographer:Lopez, Taryn
Okmok
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Caption:AVO geologist, Jessica Larsen (UAF/GI) examining a vertical stream cut section that exposes a rhyodacite fall (yellow), a coarse andesite fall (head level), and massive pyroclastic flow deposited during the 2050 BP Okmok caldera forming eruption.
Date:July 13, 2016 6:42 PM
Photographer:Schaefer, Janet
OkmokStratigraphic section, Tephra
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Caption:Bubbling gases released within the creek at the Northern base of Okmok's Cone D.
Date:July 12, 2016 6:09 PM
Photographer:Bergfeld, Deb
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Caption:Cone D, Okmok Volcano
Date:July 12, 2016 5:46 PM
Photographer:Bergfeld, Deborah
OkmokVolcano
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Caption:Example of hard-packed surface and steep degassing sites common on the Crater Rim of Okmok's Cone C.
Date:July 12, 2016 4:45 PM
Photographer:Bergfeld, Deb
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Caption:Taryn Lopez (UAF-GI/AVO) collects an air sample near an Okmok Cone C fumarole.
Date:July 12, 2016 4:43 PM
Photographer:Bergfeld, Deb
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Caption:Collecting a gas sample on Cone C, Okmok Volcano.
Date:July 12, 2016 3:44 PM
Photographer:Bergfeld, Deborah
OkmokFieldwork operations, Fumarolic activity, People in action, Steam
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Page modified: December 2, 2016 10:12
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