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ImageDetailsVolcanoesKeywords
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Caption:Ash emissions seen from the north crater of Mount Cerberus on Semisopochnoi Island, taken from CETU webcam, January 13, 2022.
Date:January 13, 2022 2:45 PM
Photographer:
SemisopochnoiEruption cloud/ plume/ column, Volcano
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Caption:WorldView-3 satellite image of Pavlof on January 3, 2022, with a small active lava area (red near-IR values) within 100 m of the SE vent.
Date:January 3, 2022 10:24 PM
Photographer:Loewen, Matt
PavlofVolcano
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Caption:WorldView-3 satellite imagery from December 19, 2021 shows the current eruption in the summit region of Pavlof Volcano. The east vent is active, sending a lava flow down the eastern flank. A tephra deposit from explosive activity on December 14, 2021 is also visible on the northeastern flank of the volcano. Older deposits from 2021 and the 2016 vent are labeled.
Date:December 19, 2021 9:48 PM
Photographer:Dietterich, Hannah
PavlofLava flow, Steam, Tephra
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Caption:Photo of Great Sitkin Volcano taken during Alaska Airlines flight 187 from Adak to Anchorage on Sunday, December 19, 2021. Photo by First Officer Joseph Leman, submitted by Captain Dave Clum.
Date:December 19, 2021 12:00 AM
Photographer:Leman, Joseph
Great SitkinLava flow
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Caption:Photo of Great Sitkin Volcano taken during Alaska Airlines flight 187 from Adak to Anchorage on Sunday, December 19, 2021. Photo by First Officer Joseph Leman, submitted by Captain Dave Clum.
Date:December 19, 2021 12:00 AM
Photographer:Leman, Joseph
Great SitkinLava flow
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Caption:Photo of Great Sitkin Volcano taken during Alaska Airlines flight 187 from Adak to Anchorage on Sunday, December 19, 2021. Photo by First Officer Joseph Leman, submitted by Captain Dave Clum.
Date:December 19, 2021 12:00 AM
Photographer:Leman, Joseph
Great SitkinLava flow
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Caption:Photo of Great Sitkin Volcano taken during Alaska Airlines flight 187 from Adak to Anchorage on Sunday, December 19, 2021. Photo by First Officer Joseph Leman, submitted by Captain Dave Clum.
Date:December 19, 2021 12:00 AM
Photographer:Leman, Joseph
Great SitkinLava flow
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Caption:Photo of Great Sitkin Volcano taken during Alaska Airlines flight 187 from Adak to Anchorage on Sunday, December 19, 2021. Photo by First Officer Joseph Leman, submitted by Captain Dave Clum.
Date:December 19, 2021 12:00 AM
Photographer:Leman, Joseph
Great SitkinLava flow
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Caption:Hypocenters of located earthquakes (past 3 days) at Davidof, Dec 10, 2021.
Date:December 10, 2021 12:00 AM
Photographer:Alaska Volcano Observatory
DavidofCaldera/crater
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Caption:Taken from airplane flying past Great Sitkin on November 17th, about 5:30pm by Angela McConnell.
Date:November 17, 2021 5:30 PM
Photographer:McConnell, Angela
Great SitkinCaldera/crater, Lava flow, Volcano
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Caption:Taken from airplane flying past Great Sitkin on November 17th, about 5:30pm by Angela McConnell.
Date:November 17, 2021 5:30 PM
Photographer:McConnell, Angela
Great SitkinCaldera/crater, Lava flow, Volcano
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Caption:Taken from airplane flying past Great Sitkin on November 17th, about 5:30pm by Angela McConnell.
Date:November 17, 2021 5:30 PM
Photographer:McConnell, Angela
Great SitkinCaldera/crater, Lava flow, Volcano
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Caption:Taken from airplane flying past Great Sitkin on November 17th, about 5:30pm by Angela McConnell.
Date:November 17, 2021 5:30 PM
Photographer:McConnell, Angela
Great SitkinCaldera/crater, Lava flow, Volcano
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Caption:Taken from airplane flying past Great Sitkin on November 17th, about 5:30pm by Angela McConnell.
Date:November 17, 2021 5:30 PM
Photographer:McConnell, Angela
Great SitkinCaldera/crater, Lava flow, Volcano
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Caption:Taken from airplane flying past Great Sitkin on November 17th, about 5:30pm by Angela McConnell.
Date:November 17, 2021 5:30 PM
Photographer:McConnell, Angela
Great SitkinCaldera/crater, Lava flow, Volcano
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Caption:Taken from airplane flying past Great Sitkin on November 17th, about 5:30pm by Angela McConnell.
Date:November 17, 2021 5:30 PM
Photographer:McConnell, Angela
Great SitkinCaldera/crater, Lava flow, Volcano
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Caption:Image from Katmai KABU webcam, November 16, 2021, 11:35am local time.
Date:November 16, 2021 11:35 AM
Photographer:
Katmai
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Caption:Sentinel-2 false color image of Great Sitkin on November 12, 2021. Digitized area of lava was 1.2 km^2. The hottest areas in the SWIR band were over the presumed conduit and at the end of the west lobe. The west lobe is 680 m-long and the south lobe is 650 m long. The lobe overtopping the north crater rim has not significantly advanced downslope.
Date:November 12, 2021 10:59 PM
Photographer:Loewen, Matt
Great SitkinLava flow
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Caption:WorldView-3 false color satellite image of Pavlof Volcano on November 11, 2021.
Date:November 11, 2021 9:49 PM
Photographer:Loewen, Matt
PavlofLava flow
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Caption:WorldView-3 false color satellite image of Pavlof Volcano on November 11, 2021.
Date:November 11, 2021 9:49 PM
Photographer:Loewen, Matt
PavlofDebris flow/mudflow/landslide/lahar, Lava flow
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Caption:Ash emissions and light ash deposits on the snow and vegetation south of North Cerberus crater in a false-color Sentinel-2 satellite image on November 10, 2021.
Date:November 10, 2021 11:11 PM
Photographer:Loewen, Matt
SemisopochnoiEruption cloud/ plume/ column
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Caption:Low-level ash emissions from Semisopochnoi's North Cerberus crater in the morning on November, 10, 2021 from the CEPE webcam.
Date:November 10, 2021 7:25 PM
Photographer:Loewen, Matt
SemisopochnoiEruption cloud/ plume/ column
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Caption:WorldView-3 false color near-IR (bands 8, 5, 3) image of the Cleveland summit crater showing a steam plume and snow accumulating within the walls of the crater on November 9, 2021.
Date:November 9, 2021 10:56 PM
Photographer:Loewen, Matt
ClevelandCaldera/crater, Steam
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Caption:In this October 25, 2021 WorldView-2 image, the growing lava dome in the summit crater of Great Sitkin now covers an area greater than one square kilometer (~250 acres) and has overflowed the crater rim to the north, west, and south. A robust steam plume also extends from the eruptive vent region to the south.
Date:October 25, 2021 11:06 PM
Photographer:Dietterich, Hannah
Great SitkinLava flow, Volcano
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Caption:Euhedral plagioclase phenocryst from a Pleistocene lava collected on Shishaldin in 2018 in cross-polarized (XPL) and plain-polarized light (PPL). In cross polarized light distinctive crystal twinning is clearly visible, as well as a zoned rim due to changing extinction angles at different An contents.
Date:October 13, 2021 12:00 AM
Photographer:Loewen, Matt
Shishaldin
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