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Caption:Pavlof steaming at sunrise, May 16, 2019. Photo courtesy of the FAA's Cold Bay NorthEast aviation weather camera.
Date:May 16, 2019 5:56 AM
Photographer:FAA Cold Bay NE
PavlofSteam, Stratovolcano
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Caption:A steam plume emanating from the snow-free summit crater at Cleveland Volcano is visible in this partly cloudy visible satellite imagery from ASTER acquired on 7 May 2019.
Date:May 7, 2019 10:42 PM
Photographer:Dietterich, Hannah
ClevelandSteam, Stratovolcano
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Caption:Map showing locations of Ash3D users worldwide. Ash3D is a numerical atmospheric transport model developed by the USGS to provide forecasts of expected ash dispersion (ash clouds) and deposition (ashfall).
Date:April 29, 2019 8:54 AM
Photographer:Driedger, Connie
ArrayTephra
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Caption:Map showing locations of Ash3D users worldwide. Ash3D is a numerical atmospheric transport model developed by the USGS to provide forecasts of expected ash dispersion (ash clouds) and deposition (ashfall).
Date:April 29, 2019 8:54 AM
Photographer:Driedger, Connie
ArrayTephra
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Caption:Photo, April 27, 2019, looking south at some of the Islands of Four Mountains volcanoes. Volcanoes from left to right: Kagamil, Cleveland, Carlile, Herbert. Photo courtesy of Dave Clum.
Date:April 27, 2019 12:00 AM
Photographer:Clum, Dave
Carlisle, Cleveland, Herbert, KagamilCaldera/crater, Stratovolcano
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Caption:Great Sitkin, April 2019. Photo courtesy of Dave Clum.
Date:April 27, 2019 12:00 AM
Photographer:Clum, Dave
Great SitkinStratovolcano
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Caption:Bogoslof steaming, April 27, 2019. Photo courtesy of Dave Clum.
Date:April 27, 2019 12:00 AM
Photographer:Clum, Dave
BogoslofSteam
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Caption:Aerial view of Kasatochi, March 27, 2019. Photo courtesy of Steve Rhodes/Alaska Airlines.
Date:March 27, 2019 6:09 PM
Photographer:Rhodes, Steve
KasatochiStratovolcano
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Caption:Aerial view of Kasatochi, March 27, 2019. Photo courtesy of Steve Rhodes/Alaska Airlines.
Date:March 27, 2019 6:09 PM
Photographer:Rhodes, Steve
KasatochiStratovolcano
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Caption:Aerial view of Great Sitkin, March 27, 2019. Photo courtesy of Steve Rhodes/Alaska Airlines.
Date:March 27, 2019 6:06 PM
Photographer:Rhodes, Steve
Great SitkinStratovolcano
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Caption:Sentinel-2 acquired a clear view of the Veniaminof caldera on February 23, showing that minor steam emissions continue at the cone but there are now no steam sources coming from the cooling lava flow margins. The 2018 lavas are still relatively snow-free.
Date:February 23, 2019 10:31 PM
Photographer:Dietterich, Hannah
Veniaminof
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Caption:A Sentinel-2 image of Cleveland from February 22 shows a small steam plum rising from the summit, which is otherwise shrouded in clouds. This is consistent with other satellite observations of no dome growth but continued steaming.
Date:February 22, 2019 10:31 PM
Photographer:Dietterich, Hannah
Cleveland
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Caption:Cleveland volcano (center) with steam plume, January 27, 2019. Volcano to the left of Cleveland is Tana; island and volcano in the right foreground is Carlisle. Photo courtesy of Dave Clum.
Date:January 27, 2019 12:00 AM
Photographer:Clum, Dave
ClevelandSteam, Stratovolcano
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Caption:Clear view of Great Sitkin on the morning of January 23 from an AVO webcam on Adak.
Date:January 23, 2019 11:32 AM
Photographer:Loewen, Matt
Great Sitkin
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Caption:Alaska Airlines pilot Dave Clum took this photo of Pavlof (center) and Pavlof's sister (just to the left) on the afternoon of Saturday, January 19, 2019.
Date:January 19, 2019 12:00 AM
Photographer:Clum, Dave
Pavlof, Pavlof Sister
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Caption:Sentinel-2 view of Great Sitkin acquired at 22:49 UTC on January 9, 2019. The visible (left) and short-wave infrared (SWIR) false color (right) images show a very small steam plume emanating from the central crater, accompanied by SWIR anomalies.
Date:January 9, 2019 10:49 PM
Photographer:Dietterich, Hannah
Great Sitkin
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Caption:Landsat 8 image of the aftermath of the Cleveland explosion on January 9, 2019. The satellite image was acquired at 22:11 UTC, just three hours after the explosion at 19:15 UTC. A small steam plume and tephra deposit are apparent in visible imagery (left), and the crater is hot in the short-wave infrared (SWIR) bands (right, pan-sharpened false color). The small deposit is consistent with the geophysical evidence for the small size of the explosion.
Date:January 9, 2019 10:11 PM
Photographer:Dietterich, Hannah
Cleveland
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Caption:Scratched lens cover removed from DFR webcam in August, 2018.
Date:December 19, 2018 12:00 AM
Photographer:Cameron, Cheryl
ArrayFieldwork operations, Just for fun
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Caption:Great Sikin steam plume, December 7, 2018. Photo courtesy of Andy Lewis and Bob Boyd.
Date:December 7, 2018 2:58 PM
Photographer:Lewis, Andy; Boyd, Bob
Great SitkinSteam
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Caption:Great Sitkin steam plume, December 7, 2018. Photo courtesy of of Andy Lewis and Bob Boyd.
Date:December 7, 2018 2:56 PM
Photographer:Lewis, Andy; Boyd, Bob
Great SitkinSteam
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Caption:To view video file, please click the "full res" link below. Cheryl Cameron and Katie Mulliken (both AVO/DGGS) catalog boxes of rocks collected by CalVO colleagues from volcanoes in Alaska. The samples will be shipped to Alaska and archived at the Geologic Materials Center (http://dggs.alaska.gov/gmc/index.php) in Anchorage, a state-funded facility that permanently archives geologic materials collected from Alaska, making them available for future research.
Date:December 6, 2018 12:00 AM
Photographer:Mulliken, Katherine
ArrayJust for fun, People in action
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Caption:Sample 79AN-1 (from Aniakchak) being boxed at CalVO for shipment to Alaska. The sample will be archived at the Geologic Materials Center (http://dggs.alaska.gov/gmc/index.php) in Anchorage, a state-funded facility that permanently archives geologic materials collected from Alaska, making them available for future research.
Date:December 6, 2018 12:00 AM
Photographer:Mulliken, Katherine
AniakchakJust for fun
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Caption:Samples collected during fieldwork done by California Volcano Observatory colleagues over the past five decades from Katmai cluster, Aniakchak, and Veniaminof volcanoes, boxed and on pallets to be shipped to Alaska. The samples will be archived at the Geologic Materials Center (http://dggs.alaska.gov/gmc/index.php) in Anchorage, a state-funded facility that permanently archives geologic materials collected from Alaska, making them available for future research.
Date:December 6, 2018 12:00 AM
Photographer:Mulliken, Katherine
ArrayJust for fun
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Caption:Sentinel-2 satellite image of Veniaminof volcano acquired Dec. 5, 2018. Three lava flow lobes are evident in the image with relative ages 1 (oldest) and 3 (youngest). AVO became aware of flow 3 on Nov. 29, 2018. It is uncertain when this flow first formed as the volcano was obscured by clouds for some time prior to Nov. 29.
Date:December 5, 2018 12:00 AM
Photographer:waythomas, chris
VeniaminofLava flow
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Caption:Satellite views of the active cone of Veniaminof volcano on November 5, 2018 and December 2, 2018 showing a new lava flow lobe (L3) in the December 2, 2018 image. AVO first became aware of the possibility of this third lava flow lobe on November 29, but confirmed in this image. WorldView data courtesy of the Digital Globe NextView License.
Date:December 4, 2018 12:00 AM
Photographer:waythomas, chris
VeniaminofLava flow
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