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AVO IMAGE DATABASE
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ImageDetailsVolcanoesKeywords
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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
Array
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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
Array
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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
Array
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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
Array
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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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Caption:Okmok Cone C Crater.
Date:July 12, 2016 2:42 PM
Photographer:Lopez, Taryn
Array
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Caption:Mt. Tulik, a currently inactive Pleistocene vent on the east flank of Okmok volcano. View is to the west from the northeast shore of Umnak Island.
Date:July 12, 2016 2:39 PM
Photographer:Schaefer, Janet
OkmokStratovolcano
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Caption:View to south from the northeast side of Umnak Island showing Recheshnoi and Vsevidof volcanoes. The flat green terraces in the foreground are deposits from the 2050 BP caldera forming eruption of Okmok volcano.
Date:July 12, 2016 2:39 PM
Photographer:Schaefer, Janet
Recheshnoi, VsevidofStratovolcano
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Caption:View to south from the northeast side of Umnak Island showing Recheshnoi and Vsevidof volcanoes. The flat terraces in the foreground are deposits from the 2050 BP caldera forming eruption of Okmok volcano.
Date:July 12, 2016 2:39 PM
Photographer:Schaefer, Janet
Recheshnoi, VsevidofStratovolcano
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Caption:View to south from the northeast side of Umnak Island showing Recheshnoi and Vsevidof volcanoes to the far south and Mt. Tulik in the foreground. The flat green terraces near Mt. Tulik are deposits from the 2050 BP caldera forming eruption of Okmok volcano.
Date:July 12, 2016 2:38 PM
Photographer:Schaefer, Janet
Recheshnoi, VsevidofStratovolcano
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Caption:A rare blue sky day at Okmok volcano, allowing the helicopter to sling gear to our high elevation seismic stations.
Date:July 12, 2016 2:10 PM
Photographer:Schaefer, Janet
OkmokFieldwork operations
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Caption:View of Okmok's Cone F from Cone C.
Date:July 12, 2016 1:51 PM
Photographer:Lopez, Taryn
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Caption:Taryn Lopez collects a soil sample from the upper part of a drainage in a fumarole field on Okmok Volcano.
Date:July 12, 2016 1:42 PM
Photographer:Bergfeld, Deborah
OkmokFumarolic activity, People in action, Steam
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Page modified: December 2, 2016 10:12
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