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Caption:Semisopochnoi Island, in November 2012. Photograph courtesy of Roger Clifford. Aerial view, north-northeast at the top, of Semisopochnoi caldera. The large lake in the distance is Fenner Lake. Weakly thermal springs are found downstream along the lake outlet. In the foreground is Sugarloaf Peak, the likely location of the 1987 eruption reported from Semisopochnoi. Details of this eruption are few and far between. At the left margin of the photo are the three summits of cones that make up Mount Cerberus, another young post-caldera vent complex.
Date:November 19, 2012 2:45 AM
Photographer:Clifford, Roger
SemisopochnoiCaldera/crater, Cinder cone, Stratovolcano, Volcano
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Caption:Tanaga, in November 2012. Photograph courtesy of Roger Clifford.
Date:November 18, 2012 11:54 PM
Photographer:Clifford, Roger
TanagaCaldera/crater, Stratovolcano, Volcano
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Caption:Semisopochnoi Island, in November 2012. Photograph courtesy of Roger Clifford.
Date:November 18, 2012 11:30 PM
Photographer:Clifford, Roger
SemisopochnoiCaldera/crater, Cinder cone, Stratovolcano, Volcano
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Caption:Semisopochnoi Island, with the three cones of Mount Cerberus in the foreground and Fenner lake behind, in November 2012. Photograph courtesy of Roger Clifford. Anvil Peak is the snow-capped feature at upper left.
Date:November 18, 2012 11:28 PM
Photographer:Clifford, Roger
SemisopochnoiCaldera/crater, Cinder cone, Stratovolcano, Volcano
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Caption:Three peaks of Mount Cerberus, Semisopochnoi Island, in November 2012. Photograph courtesy of Roger Clifford. Cerberus is one of several post-caldera cones that show evidence of recent activity. View is to the northeast, Fenner Lake in the distance.
Date:November 18, 2012 11:28 PM
Photographer:Clifford, Roger
SemisopochnoiCaldera/crater, Cinder cone, Stratovolcano, Volcano
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Caption:Close-view of the three summits of Mount Cerberus, a large, young, post-caldera vent cluster that dominates the interior of the caldera basin. Semisopochnoi Island, in November 2012. Photograph courtesy of Roger Clifford.
Date:November 18, 2012 11:28 PM
Photographer:Clifford, Roger
SemisopochnoiCaldera/crater, Cinder cone, Stratovolcano, Volcano
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Caption:Semisopochnoi Island, in November 2012. Photograph courtesy of Roger Clifford.
Date:November 18, 2012 11:15 PM
Photographer:Clifford, Roger
SemisopochnoiCaldera/crater, Cinder cone, Stratovolcano, Volcano
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Caption:Semisopochnoi Island, in November 2012. Photograph courtesy of Roger Clifford.
Date:November 18, 2012 11:15 PM
Photographer:Clifford, Roger
SemisopochnoiCaldera/crater, Cinder cone, Stratovolcano, Volcano
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Caption:Kasatochi, in November 2012. Photograph courtesy of Roger Clifford.
Date:November 17, 2012 2:05 AM
Photographer:Clifford, Roger
KasatochiCaldera/crater, Stratovolcano
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Caption:Kasatochi, in November 2012. Photograph courtesy of Roger Clifford.
Date:November 17, 2012 2:04 AM
Photographer:Clifford, Roger
KasatochiCaldera/crater, Stratovolcano
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Caption:Kasatochi, in November 2012. Photograph courtesy of Roger Clifford.
Date:November 17, 2012 2:04 AM
Photographer:Clifford, Roger
KasatochiCaldera/crater, Stratovolcano
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Caption:Tanaga, in November 2012. Photograph courtesy of Roger Clifford.
Date:November 9, 2012 9:29 PM
Photographer:Clifford, Roger
TanagaCaldera/crater, Stratovolcano, Volcano
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Caption:Tanaga, in November 2012. Photograph courtesy of Roger Clifford.
Date:November 9, 2012 9:27 PM
Photographer:Clifford, Roger
TanagaCaldera/crater, Stratovolcano, Volcano
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Caption:Davidof and Khvostof Islands, in November 2012. Photograph courtesy of Roger Clifford.
Date:November2012 3:00 AM
Photographer:Clifford, Roger
DavidofCaldera/crater
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Caption:Mount Moffett, in November 2012. Photograph courtesy of Roger Clifford.
Date:November2012 12:00 AM
Photographer:Clifford, Roger
MoffettStratovolcano
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Caption:Kanaga, in October 2012. Photograph courtesy of Roger Clifford.
Date:October 28, 2012 2:04 AM
Photographer:Clifford, Roger
KanagaCaldera/crater, Stratovolcano
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Caption:Great Sitkin, in October 2012. Photograph courtesy of Roger Clifford.
Date:October 28, 2012 1:30 AM
Photographer:Clifford, Roger
Great SitkinCaldera/crater, Dome, Stratovolcano
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Caption:Chiginagak volcano as seen by Bob and Carol Dreeszen from their cabin at the outlet on Lower Ugashik Lake, approximately 50 kilometers (30 miles) north of the volcano. View is to the south. Multiple active fumaroles emit steam and gas and are clustered together on the north flank, below the summit.
Date:October 23, 2012 9:21 AM
Photographer:Schaefer, Janet
ChiginagakFumarolic activity
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Caption:Chiginagak volcano as seen by Bob and Carol Dreeszen from their cabin at the outlet on Lower Ugashik Lake, approximately 50 kilometers (30 miles) north of the volcano. View is to the south. Multiple active fumaroles emit steam and gas and are clustered together on the north flank, below the summit.
Date:October 20, 2012 10:11 AM
Photographer:Dreeszen, Robert
ChiginagakFumarolic activity
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Caption:Mount Redoubt, with visible fumarolic activity, on Saturday, October 13, 2012, as viewed from near Kenai. Photograph courtesy of Michael Gravier.
Date:October 13, 2012 4:55 PM
Photographer:Gravier, Michael
RedoubtFumarolic activity, Stratovolcano
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Caption:Mount Redoubt, with visible fumarolic activity, as viewed from Soldotna on October 13, 2012. Photograph courtesy of Michael Gravier.
Date:October 13, 2012 4:35 PM
Photographer:Gravier, Michael
RedoubtFumarolic activity, Stratovolcano
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Caption:Iliamna Volcano, photographed on October 13, showing recent rockfall. Image courtesy of Dennis Anderson, Night Trax Photography.
Date:October 13, 2012 1:06 PM
Photographer:Anderson, Dennis
IliamnaDebris flow/mudflow/landslide/lahar, Fumarolic activity, Stratovolcano
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Caption:Iliamna Volcano, as seen on the morning of October 13, 2012. Recent rockfall is visible. Photograph courtesy of Dennis Anderson, Night Trax Photography.
Date:October 13, 2012 9:18 AM
Photographer:Anderson, Dennis
IliamnaDebris flow/mudflow/landslide/lahar, Stratovolcano
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Caption:Iliamna Volcano, on October 11, 2012. Image courtesy of Dennis Anderson, Night Trax Photography.
Date:October 11, 2012 12:08 PM
Photographer:Anderson, Dennis
IliamnaStratovolcano
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Caption:Index map showing the location of Little Sitkin.
Date:August 30, 2012 12:00 AM
Photographer:Alaska Division of Geological & Geophyiscal Surveys,
Little SitkinVolcano
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