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ImageDetailsVolcanoesKeywords
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Caption:Low level steam emission from the summit crater of Shishaldin volcano.
Date:April 16, 2014 7:39 PM
Photographer:Musselwhite, Levi
ShishaldinSteam
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Caption:Steam rises from the north flank fumaroles on Chiginagak volcano.
Date:March 28, 2014 3:17 PM
Photographer:Dreeszen, Robert
ChiginagakFumarolic activity, Steam
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Caption:Landsat 8 image showing heat emission (radiance) from the lava in the summit crater on March 18 and March 27, 2014.
Date:March 27, 2014 10:00 PM
Photographer:Schneider, Davd
ShishaldinLava flow, Volcano
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Caption:Shishaldin volcano with minor steam from the summit crater; the steam is hugging the summit area, being carried by wind away from the cameras point of view, 35 miles northwest of Shishaldin.
Date:March 27, 2014 6:33 PM
Photographer:Musselwhite, Levi
ShishaldinSteam
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Caption:View of snow-covered Akutan volcano; caldera and active central cone.
Date:March 27, 2014 1:31 PM
Photographer:Weiss-Racin, Holly
AkutanCaldera/crater, Cinder cone, Glacier
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Caption:View of snow-covered Akutan volcano; caldera and active central cone.
Date:March 27, 2014 1:30 PM
Photographer:Weiss-Racine, Holly
AkutanCaldera/crater, Cinder cone, Glacier
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Caption:View of snow-covered Akutan volcano; caldera and active central cone.
Date:March 27, 2014 1:30 PM
Photographer:Weiss-Racine, Holly
AkutanCaldera/crater, Cinder cone, Glacier
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Caption:View of snow-covered Akutan volcano; caldera and active central cone.
Date:March 27, 2014 1:28 PM
Photographer:Weiss-Racine, Holly
AkutanCaldera/crater, Cinder cone, Glacier
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Caption:Extreme skiing, volcano edition: Tory Dugan looks down onto the still-steaming 2009 lava dome in the summit crater from high up on the northeast ridge of Redoubt Volcano. Photo copyright: Chris Flowers, March 25, 2014.
Date:March 25, 2014 12:00 AM
Photographer:Flowers, Chris
RedoubtCaldera/crater, Dome, Steam
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Caption:These are examples of small explosions in Shishaldin's crater that have been recorded at station SSBA. Each explosion shows up as a low-frequency seismic wave that travels through the ground, followed by a high-frequency airwave pulse. The airwaves arrive later because energy from the explosion travels more slowly through the air than it does through the ground.
Date:March 25, 2014 12:00 AM
Photographer:Buurman, Helena
ShishaldinStratovolcano
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Caption:Steaming from the summit of Shishaldin volcano, as viewed from PenAir flight to Dutch Harbor on the afternoon of March 20, 2014.
Date:March 20, 2014 3:07 PM
Photographer:Musselwhite, Levi
ShishaldinSteam
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Caption:Animated sequence of satellite images of small ash clouds from Cleveland (small black circle), February 25, 2014. Infrasound and lightning alarms detected two small explosions at Cleveland Volcano at ~4:17 UTC February 25 (19:17 AKST February 24) and 10:35 UTC (1:35 AKST) February 25. The earliest image in this gif is from 6:45 AM UTC, the middle image is from 1:47 PM UTC, and the last image in the sequence is from 3:15 PM UTC. The ash is circled in red, estimated altitude of 16,000 ft asl. These explosions are typical of eruptive activity of Cleveland over the past few years. There may be a heightened chance of additional ash emissions in the coming weeks. Because these explosions were brief and there is no sign of ongoing eruption, Cleveland remains at Volcano Alert Level/Aviation Color Code YELLOW/ADVISORY.
Date:February 25, 2014 12:00 AM
Photographer:Schneider, Dave; Cameron, Cheryl
ClevelandTephra
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Caption:An impressive plume rises from the north flank fumaroles on Chiginagak volcano as seen from the outlet at Lower Ugashik Lake, ~50 km north of the volcano.
Date:February 17, 2014 10:13 AM
Photographer:Dreeszen, Robert
ChiginagakFumarolic activity
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Caption:A plume generated by the active fumaroles at Mount Martin as viewed from the outlet at Lower Ugashik Lake, ~105 km southwest of the volcano.
Date:February 17, 2014 9:56 AM
Photographer:Dreeszen, Robert
MartinFumarolic activity
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Caption:Optimal atmospheric conditions and clear weather produce this view of a steam plume at Redoubt - the lava dome emplaced in 2009 is still cooling.
Date:February 10, 2014 5:50 PM
Photographer:Alaska Volcano Observatory
RedoubtDome, Steam
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Caption:AVHRR satellite data from February 7, 2014, 1704 UTC show a drifting ice-rich cloud south of Shishaldin. Comparison of temperature data and trajectory suggest a height of 20,000 to 25,000 ft. Mid-IR data from after this event show no evidence of hot material on the flanks, suggesting that this was a gas-rich exhalation event.
Date:February 7, 2014 5:04 PM
Photographer:Schneider, Dave
ShishaldinEruption cloud/ plume/ column
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Caption:Possible volcanic cloud first observed as an emergent cold cloud in the thermal infrared from GOES-15 satellite images beginning at 1545 UTC, January 7, 2014.
Date:February 7, 2014 3:45 PM
Photographer:Schneider, Dave
ShishaldinEruption cloud/ plume/ column, Steam
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Caption:Satellite image of Unimak Island showing elevated surface temperatures in the summit crater of Shishaldin Volcano. This mid-infrared image is scaled so that warm values are bright white and cold values (like high clouds are dark). The elevated surface temperatures are visible as the white pixels within the yellow circle that indicates the location of Shishaldin.
Date:January 30, 2014 7:03 AM
Photographer:Schneider, Dave
ShishaldinVolcano
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Caption:AVO webcamera on January 28, 2014 showing a steam plume rising from the summit of Shishaldin volcano.
Date:January 28, 2014 11:24 AM
Photographer:Schaefer, Janet
ShishaldinSteam
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Caption:Satellite image showing small volcanic plume (colored pixels) detached from Cleveland, extending north-northeast for about 75 km. Image from January 2, 2014, 4 am UTC/January 1, 2014, 7 pm AKST.
Date:January 2, 2014 4:00 AM
Photographer:Alaska Volcano Observatory
ClevelandTephra
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Caption:Annotated satellite image showing small volcanic plume (colored pixels) detached from Cleveland, extending north-northeast for about 75 km. Image from UTC 04:00 January 2, 2014 (7pm AKST, January 1, 2014)
Date:January 2, 2014 4:00 AM
Photographer:Waythomas, Chris
ClevelandTephra
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Caption:Aerial view of Vent Mountain within Aniakchak Caldera, on the Alaska Peninsula. Photo taken in 2014, courtesy of Michael Livingston.
Date:2014 12:00 AM
Photographer:Livingston, Michael
Aniakchak
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Caption:Christmas morning fumarole activity at Chiginagak volcano as seen from the outlet at Lower Ugashik Lake, 30 miles north of the volcano.
Date:December 25, 2013 12:21 PM
Photographer:Dreeszen, Robert
ChiginagakFumarolic activity
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Caption:Christmas morning fumarole activity at Chiginagak volcano as seen from Ugashik Village.
Date:December 25, 2013 12:00 AM
Photographer:Briggs, Roland
ChiginagakFumarolic activity
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Caption:View of Kasatochi Volcano on a rare sunny day in the Aleutians.
Date:December 5, 2013 12:00 AM
Photographer:Zimmer, Richard
KasatochiCaldera/crater, Lake
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