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AVO IMAGE DATABASE
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Caption:Hooray! The particulate monitor to evaluate resuspended 1912 ash in Kodiak is successfully installed!
Date:September 9, 2015 10:48 AM
Photographer:Wallace, Kristi
ArrayTephra
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Caption:Small cove on north coast of Segula Island. 2015 western Aleutians field work.
Date:September 8, 2015 5:24 PM
Photographer:Coombs, Michelle
SegulaVolcano
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Caption:AVO installing particulate monitors on Kodiak Island, to study resuspended 1912 volcanic ash and whether or not it presents a health hazard to humans. In this image, AVO is training the USCG on the monitor's operation and maintenance.
Date:September 8, 2015 3:07 PM
Photographer:Wallace, Kristi
ArrayTephra
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Caption:Kristi Wallace and Mark Hansen calibrating the AVO-5 particulate monitor...an operation that could have used an umbrella!
Date:September 8, 2015 3:00 PM
Photographer:Wallace, Kristi
Array
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Caption:AVO geoscientists enjoy a delicious lunch in Kodiak while completing the E-BAM particulate monitor installation.
Date:September 8, 2015 1:56 PM
Photographer:Wallace, Kristi
ArrayTephra
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Caption:Setting up the new AVO5 particulate monitor in Kodiak, September 8, 2015.
Date:September 8, 2015 11:43 AM
Photographer:Wallace, Kristi
ArrayTephra
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Caption:Filling sandbags to hold the particulate monitor in place.
Date:September 8, 2015 10:33 AM
Photographer:Wallace, Kristi
ArrayTephra
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Caption:Mount Moffett as seen from the Maritime Maid north of Adak. Photos from western Aleutian field work, September 2015.
Date:September 4, 2015 8:37 PM
Photographer:Coombs, Michelle
Moffett
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Caption:Adagdak volcano, as seen from the north. Photos from western Aleutian field work, September 2015.
Date:September 4, 2015 8:36 PM
Photographer:Coombs, Michelle
Adagdak
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Caption:Two particulate monitors and tools all packaged up for shipment to Kodiak.
Date:September 3, 2015 5:44 PM
Photographer:Wallace, Kristi
ArrayTephra
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Caption:Mark Hansen, AVO particulate monitor guru, calibrating the instruments in the Alaska Tephra Lab before deployment on Kodiak Island.
Date:September 2, 2015 8:06 PM
Photographer:Wallace, Kristi
ArrayTephra
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Caption:Annotated photo of E-BAM air-quality particulate monitoring instruments, showing temperature and humidity sensors, air-sample inlet tube, wind sensor, power supply, and communication connections.
Date:September 1, 2015 12:00 AM
Photographer:Wallace, Kristi
ArrayFieldwork operations
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Caption:Terra true color composite satellite image of 1912 Novarupta/Katmai ash being carried southeast by strong winds, August 31, 2015.
Date:August 31, 2015 9:51 PM
Photographer:Alaska Volcano Observatory
Katmai, NovaruptaTephra
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Caption:NOAA satellite image of 1912 Novarupta/Katmai ash (blue plume in upper right) being carried southeast by strong winds, August 31, 2015.
Date:August 31, 2015 6:15 PM
Photographer:Cameron, Cheryl
Katmai, NovaruptaTephra
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Caption:Moonrise over Augustine. Photograph from geology field work at Augustine, August 2015.
Date:August 27, 2015 8:47 PM
Photographer:Coombs, Michelle
AugustineFieldwork operations, Tephra
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Caption:Strong winds from the west carried 1912 Novarupta/Katmai ash east, creating a haze in the Kenai Peninsula. This photo is from the Homer harbor, looking southeast across Kachemak Bay. Photo courtesy of Ed Marker.
Date:August 27, 2015 10:05 AM
Photographer:Marker, Ed
Katmai, NovaruptaTephra
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Caption:Jim Vallance and Kristi Wallace examine a proximal tephra sequence, Augustine's south flank. Photographs from geology field work at Augustine, August 2015.
Date:August 26, 2015 3:28 PM
Photographer:Coombs, Michelle
AugustineFieldwork operations, Tephra
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Caption:2006 lava dome at Augustine's summit. Photographs from geology field work at Augustine, August 2015.
Date:August 25, 2015 5:44 PM
Photographer:Coombs, Michelle
AugustineFieldwork operations, Tephra
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Caption:USGS geologist Kristi Wallace at tephra station 15AUKLW006, near Ursus Head, examining ash-fall layers from Augustine Volcano. Photograph from geology field work at Augustine, August 2015.
Date:August 24, 2015 2:51 PM
Photographer:Coombs, Michelle
AugustineFieldwork operations, Tephra
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Caption:Breadcrust bomb from Holocene eruption of Augustine. Photographs from geology field work at Augustine, August 2015.
Date:August 23, 2015 10:44 AM
Photographer:Coombs, Michelle
AugustineBomb, Fieldwork operations, Tephra
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Caption:Kristi Wallace and Jim Vallance look at fall and flow deposits associated with an eruption of Augustine that took place about 1,000 years ago ("C" tephra). Photographs from geology field work at Augustine, August 2015.
Date:August 23, 2015 9:43 AM
Photographer:Coombs, Michelle
AugustineFieldwork operations, Tephra
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Caption:Shishaldin, with degassing plume, as viewed during gas and water geochemistry fieldwork as part of the August 2015 GeoPrisms/DCO/AVO Central Aleutian field excursion.
Date:August 20, 2015 8:48 PM
Photographer:Werner, Cindy
ShishaldinCaldera/crater, Eruption cloud/ plume/ column, Fieldwork operations, Fumarolic activity
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Caption:Cindy Werner and Christoph Kern sample gases and waters from the Geyser Bight geothermal area, Umnak Island. 2015 Western Aleutians AVO-USGS, NSF Geoprisms and Deep Carbon Observatory collaboration.
Date:August 16, 2015 11:29 AM
Photographer:Lyons, John
RecheshnoiFieldwork operations, Fumarolic activity, Geyser, Hot Springs, People in action
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Caption:Helicopter pilot Dan Leary prepares to pick up geochemists Cindy Werner and Christoph Kern at the upper Geyser Bight geothermal area, Umnak Island. 2015 Western Aleutians AVO-USGS, NSF Geoprisms and Deep Carbon Observatory collaboration. Free downloadable publication on Geyser Bight: http://www.dggs.alaska.gov/pubs/id/2480
Date:August 16, 2015 10:45 AM
Photographer:Lyons, John
RecheshnoiFumarolic activity, Geyser, Hot Springs, People in action
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Caption:Geyser Bight geothermal area, Umnak Island. 2015 Western Aleutians AVO-USGS, NSF Geoprisms and Deep Carbon Observatory collaboration.
Date:August 16, 2015 10:41 AM
Photographer:Lyons, John
RecheshnoiFumarolic activity, Geyser, Hot Springs
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