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Caption:Backscattered electron image of ash erupted from Pavlof volcano, collected in King Cove on June 25, 2013 by King Cove resident Pam Mitchell. The ash is composed almost exclusively of juvenile vesicular glassy particles with few crystals.
Date:September 10, 2013 12:00 AM
Photographer:Wallace, Kristi
PavlofTephra
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Caption:Backscattered electron image of ash erupted from Veniaminof volcano, collected near the vent on August 18, 2013 by AVO staff Game McGimsey. The ash is composed almost exclusively of juvenile vesicular and blocky glassy particles. Microlites are visible in some glass shards.
Date:September 10, 2013 12:00 AM
Photographer:Wallace, Kristi
VeniaminofTephra
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Caption:Backscattered electron image of ash erupted from Veniaminof volcano, collected near the vent on August 18, 2013 by AVO staff Game McGimsey. The ash is composed almost exclusively of juvenile vesicular and blocky glassy particles. Microlites are visible in some glass shards.
Date:September 10, 2013 12:00 AM
Photographer:Wallace, Kristi
VeniaminofTephra
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Caption:Backscattered electron image of ash erupted from Veniaminof volcano, collected near the vent on August 18, 2013 by AVO staff Game McGimsey. The ash is composed almost exclusively of juvenile vesicular and blocky glassy particles. Microlites are visible in some glass shards.
Date:September 10, 2013 12:00 AM
Photographer:Wallace, Kristi
VeniaminofTephra
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Caption:Backscattered electron image of ash erupted from Veniaminof volcano, collected near the vent on August 18, 2013 by AVO staff Game McGimsey. The ash is composed almost exclusively of juvenile vesicular glassy particles. Microlites are visible in some glass shards.
Date:September 10, 2013 12:00 AM
Photographer:Wallace, Kristi
VeniaminofTephra
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Caption:Backscattered electron image of ash erupted from Veniaminof volcano, collected near the vent on August 18, 2013 by AVO staff Game McGimsey. This image is zoomed in to view microlite inclusions in the glass.
Date:September 10, 2013 12:00 AM
Photographer:Wallace, Kristi
VeniaminofTephra
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Caption:Aerial view of Veniaminof volcano in eruption on September 7, 2013. Photograph by Joyce Alto. The gray brown ash laden eruption column ascends from the active vent at the top of the cone. White vapor clouds are formed where lava is melting snow and ice.
Date:September 7, 2013 11:30 AM
Photographer:Alto, Joyce
VeniaminofCaldera/crater, Eruption cloud/ plume/ column, Glacier, Lava flow, Steam, Tephra
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Caption:Aerial view of Veniaminof volcano erupting on September 7, 2013. Photograph by Joyce Alto. Note the white water vapor clouds indicating hot lava is interacting with snow and ice. A gray-brown ash column rises from the active vent. The summit ice field is darkened with recent ash fall.
Date:September 7, 2013 11:30 AM
Photographer:Alto, Joyce
VeniaminofCaldera/crater, Eruption cloud/ plume/ column, Glacier, Lava flow, Steam
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Caption:Aerial view of Veniaminof volcano in eruption at about 11:30 am on September 7, 2013. Photograph by Joyce Alto. White water vapor clouds rise from regions where hot lava is encountering snow and ice. A gray-brown ash column rises in the background from the active vent. Note the ash-darkened icefield within the summit caldera.
Date:September 7, 2013 11:30 AM
Photographer:Alto, Joyce
VeniaminofCaldera/crater, Eruption cloud/ plume/ column, Glacier, Lava flow
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Caption:Aerial view of Veniaminof volcano in eruption at about 11:30 am on September 7, 2013. Photograph by Joyce Alto of Naknek, Alaska. White water vapor clouds rise from regions where hot lava is encountering snow and ice. Note the ash-darkened icefield within the summit caldera.
Date:September 7, 2013 11:30 AM
Photographer:Alto, Joyce
VeniaminofCaldera/crater, Eruption cloud/ plume/ column, Glacier, Lake
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Caption:Close up aerial view of Veniaminof volcano in eruption on September 7, 2013. Photograph by Joyce Alto.
Date:September 7, 2013 11:30 AM
Photographer:Alto, Joyce
VeniaminofCaldera/crater, Eruption cloud/ plume/ column, Glacier, Lava flow, Steam
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Caption:Small plume from Veniaminof, on the morning of September 7, 2013.
Date:September 7, 2013 9:06 AM
Photographer:FAA Perryville NW webcam
VeniaminofEruption cloud/ plume/ column
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Caption:Small plume from Veniaminof, on the morning of September 4, 2013.
Date:September 4, 2013 7:42 AM
Photographer:FAA Perryville NW webcam
VeniaminofEruption cloud/ plume/ column
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Caption:View of Veniaminof's ash and steam plume, August 30, 2013. Vantage point is Wildman Lake Lodge, northwest of Veniaminof. Photo courtesy of Gary "Butch" King.
Date:August 30, 2013 1:18 PM
Photographer:King, Gary "Butch"
VeniaminofEruption cloud/ plume/ column
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Caption:Timelapse animation from the FAA's NW webcam in Perryville, August 30, from 5:04 AM to 12:46 PM. Video begins with lava fountaining and progresses to moderate ash emission below 15,000 feet asl.
Date:August 30, 2013 5:00 AM
Photographer:FAA Perryville NW webcam
VeniaminofEruption cloud/ plume/ column
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Caption:Ash from Veniaminof, collected from the hood of a car in Perryville, AK, August 30, 2013. Perryville is about 22 miles southeast of Veniaminof. Photo courtesy of Rene Kosbruk.
Date:August 30, 2013 12:00 AM
Photographer:Kosbruk, Rene
VeniaminofTephra
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Caption:Ash and steam plume from Veniaminof, August 30, 2013, as viewed from Perryville, AK. Photo courtesy of Rene Kosbruk.
Date:August 30, 2013 12:00 AM
Photographer:Kosbruk, Rene
VeniaminofEruption cloud/ plume/ column
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Caption:Small plume from Veniaminof, near sunrise on August 27, 2013.
Date:August 27, 2013 7:00 AM
Photographer:FAA Perryville NW webcam
VeniaminofEruption cloud/ plume/ column
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Caption:Geophysicist John Lyons looks over the Nagishlamina river valley and the north west side of Mount Spurr in the distance from seismic station SPNN in the Tordrillo mountains.
Date:August 27, 2013 3:42 AM
Photographer:Read, Cyrus
SpurrPeople in action
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Caption:Dane Ketner installs the webcam at station IVE on the east side of Iliamna Volcano.
Date:August 22, 2013 11:05 PM
Photographer:Read, Cyrus
IliamnaFieldwork operations, People in action
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Caption:Veniaminof's ash and steam plume drifts west in this FAA Perryville NW webcam image, August 20, 2013.
Date:August 20, 2013 9:56 AM
Photographer:FAA Perryville NW webcam
VeniaminofEruption cloud/ plume/ column
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Caption:Veniaminof's active cone within Veniaminof's caldera, emitting a low-level ash and steam plume, August 20, 2013.
Date:August 20, 2013 12:00 AM
Photographer:Anonymous
VeniaminofEruption cloud/ plume/ column
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Caption:Low aerial view of the southwest flank of the intracaldera cinder cone in Veniaminof volcano. The first lava flow of the 2013 eruption forms a wide fan across the flank, descends to the ice floor of the caldera where several coalescing ice cauldrons are forming. Compare this image with database image 12272 taken in 2006.
Date:August 18, 2013 8:50 PM
Photographer:McGimsey, Game
VeniaminofCaldera/crater, Eruption cloud/ plume/ column, Glacier, Lava flow
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Caption:Ash-rich eruption from the intracaldera cone at Veniaminof, August 18, 2013. The gray-brown cone of debris at the base of the eruption column has been built by this type of activity since about June 13. Photo taken by Game McGimsey, AVO/USGS. Overflight to Veniaminof co-sponsored by the National Geographic Society.
Date:August 18, 2013 8:47 PM
Photographer:McGimsey, Game
VeniaminofCaldera/crater, Cinder cone, Eruption cloud/ plume/ column, Glacier, Lava flow, Lava fountaining, Tephra
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Caption:Veniaminof volcano in eruption, August 18, 2013. Pulses of ash and ballistics erupt from the intracadera cinder cone. Two streams of lava flow down the east flank into an ice cauldron to produce roiling steam clouds. The lava flows are pouring from vents located below the crater rim, the highest (left in this image) of which likely marks the level of a lava lake within the cone. Photo taken by Game McGimsey, AVO/USGS. This overflight of Veniaminof was co-sponsored by the National Geographic Society.
Date:August 18, 2013 8:46 PM
Photographer:McGimsey, Game
VeniaminofCaldera/crater, Eruption cloud/ plume/ column, Glacier, Lava flow, Lava fountaining, Tephra
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