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ImageDetailsVolcanoesKeywords
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Caption:Roundtop
Date:August 24, 1998 12:00 AM
Photographer:McGimsey, R. G.
RoundtopVolcano
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Caption:Terminus of pyroclastic flow from 1912 Novarupta eruption. Taken from Confluence Overlook. Katmai National Park and Preserve.
Date:July1998 12:00 AM
Photographer:Adleman, J. N.
NovaruptaPyroclastic flow
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Caption:Bogoslof
Date:June 13, 1998 12:00 AM
Photographer:Sease, John
Bogoslof
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Caption:Bogoslof
Date:June 13, 1998 12:00 AM
Photographer:Seese, John
Bogoslof
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Caption:Semisopochnoi, looking north at cinder cone and Sugarloaf Peak. Image courtesy of Ian L. Jones, Department of Biology, Memorial University.
Date:June 9, 1998 12:00 AM
Photographer:Jones, I. L.
Semisopochnoi, Sugarloaf PeakCinder cone, Stratovolcano, Volcano
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Caption:Semisopochnoi, looking northeast at cinder cone. Base of Sugarloaf Peak is visible at the left of the image. Image courtesy of Ian L. Jones, Department of Biology, Memorial University.
Date:June 9, 1998 12:00 AM
Photographer:Jones, I. L.
Semisopochnoi, Sugarloaf PeakCinder cone, Stratovolcano, Volcano
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Caption:Semisopochnoi, view of Sugarloaf Head (in foreground) and Sugarloaf Peak (in background). Image courtesy of Ian L. Jones, Department of Biology, Memorial University.
Date:June 9, 1998 12:00 AM
Photographer:Jones, I. L.
Semisopochnoi, Sugarloaf PeakCinder cone, Stratovolcano, Volcano
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Caption:Semisopochnoi, looking northeast at cinder cones and base of Sugarloaf Peak. Image courtesy of Ian L. Jones, Department of Biology, Memorial University.
Date:June 9, 1998 12:00 AM
Photographer:Jones, I. L.
Semisopochnoi, Sugarloaf PeakCinder cone, Stratovolcano, Volcano
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Caption:Mount Griggs stratovolcano, Valley of Ten Thousand Smokes. At 7,650 ft (2,330 m) ASL, Mount Griggs is the highest peak in Katmai National Park and Preserve. It lies 12 km behind the main volcanic front, and its summit is home to superheated sulfur-precipitating fumaroles.
Date: 9, 1998 12:00 AM
Photographer:Adleman, J. N.
GriggsVolcano
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Caption:Scenic Shishaldin volcano, with a large maar in the foreground.
Date:1998 12:00 AM
Photographer:Nye, C. J.
ShishaldinLake, Maar/tuff cone/tuff ring, Stratovolcano, Volcano
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Caption:South flank of Shishaldin volcano.
Date:1998 12:00 AM
Photographer:Nye, C. J.
ShishaldinStratovolcano, Volcano
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Caption:Chronology of known eruption-related events at Redoubt Volcano, Alaska. Figure from: Waythomas, C. F., Dorava, J. M., Miller, T. P., Neal, C. A., and McGimsey, R. G., 1998, Preliminary volcano-hazard assessment for Redoubt Volcano, Alaska: U.S. Geological Survey Open-File Report OF 98-0857, 40 p.
Date:1998 12:00 AM
Photographer:Waythomas, C. F.; Dorava, J. M.; Miller, T. P.; Neal, C. A.; McGimsey, R. G.
Redoubt
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Caption:Graphical depiction of known activity at Redoubt Volcano within the last 250 years. Figure from: Waythomas, C. F., Dorava, J. M., Miller, T. P., Neal, C. A., and McGimsey, R. G., 1998, Preliminary volcano-hazard assessment for Redoubt Volcano, Alaska: U.S. Geological Survey Open-File Report OF 98-0857, 40 p.
Date:1998 12:00 AM
Photographer:Waythomas, C. F.; Dorava, J. M.; Miller, T. P.; Neal, C. A.; McGimsey, R. G.
Redoubt
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Caption:Average wind direction and likely travel paths for volcanic ash clouds from Redoubt Volcano. Figure from: Waythomas, C. F., Dorava, J. M., Miller, T. P., Neal, C. A., and McGimsey, R. G., 1998, Preliminary volcano-hazard assessment for Redoubt Volcano, Alaska: U.S. Geological Survey Open-File Report OF 98-0857, 40 p.
Date:1998 12:00 AM
Photographer:Waythomas, C. F.; Dorava, J. M.; Miller, T. P.; Neal, C. A.; McGimsey, R. G.
RedoubtTephra
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Caption:Approximate extent of ash fallout from the 1989-1990 eruptions of Redoubt. Figure from: Waythomas, C. F., Dorava, J. M., Miller, T. P., Neal, C. A., and McGimsey, R. G., 1998, Preliminary volcano-hazard assessment for Redoubt Volcano, Alaska: U.S. Geological Survey Open-File Report OF 98-0857, 40 p.
Date:1998 12:00 AM
Photographer:US Geological Survey
RedoubtTephra, Volcano
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Caption:Area likely to be affected by volcanic ash fallout from eruptions similar to the 1989-90 eruption of Redoubt Volcano. Figure from: Waythomas, C. F., Dorava, J. M., Miller, T. P., Neal, C. A., and McGimsey, R. G., 1998, Preliminary volcano-hazard assessment for Redoubt Volcano, Alaska: U.S. Geological Survey Open-File Report OF 98-0857, 40 p.
Date:1998 12:00 AM
Photographer:Waythomas, C. F.; Dorava, J. M.; Miller, T. P.; Neal, C. A.; McGimsey, R. G.
RedoubtTephra
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Caption:Vertical aerial photograph of Drift Glacier piedmont lobe. This part of the glacier was virtually all that remained after the 1989-90 eruption. Figure from: Waythomas, C. F., Dorava, J. M., Miller, T. P., Neal, C. A., and McGimsey, R. G., 1998, Preliminary volcano-hazard assessment for Redoubt Volcano, Alaska: U.S. Geological Survey Open-File Report OF 98-0857, 40 p.
Date:1998 12:00 AM
Photographer:Waythomas, C. F.; Dorava, J. M.; Miller, T. P.; Neal, C. A.; McGimsey, R. G.
RedoubtGlacier
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Caption:Drift Glacier area and location of potential glacier-dammed lake. Figure from: Waythomas, C. F., Dorava, J. M., Miller, T. P., Neal, C. A., and McGimsey, R. G., 1998, Preliminary volcano-hazard assessment for Redoubt Volcano, Alaska: U.S. Geological Survey Open-File Report OF 98-0857, 40 p.
Date:1998 12:00 AM
Photographer:Waythomas, C. F.; Dorava, J. M.; Miller, T. P.; Neal, C. A.; McGimsey, R. G.
RedoubtFlood, Lake
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Caption:Types of dome collapse. Pyroclastic flows at Redoubt Volcano are caused primarily by collapse of the lava dome (modified from Cas and Wright, 1987). Figure from: Waythomas, C. F., Dorava, J. M., Miller, T. P., Neal, C. A., and McGimsey, R. G., 1998, Preliminary volcano-hazard assessment for Redoubt Volcano, Alaska: U.S. Geological Survey Open-File Report OF 98-0857, 40 p.
Date:1998 12:00 AM
Photographer:Waythomas, C. F.; Dorava, J. M.; Miller, T. P.; Neal, C. A.; McGimsey, R. G.
RedoubtDome
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Caption:Pyroclastic flow run-out length as a function of vent height for small pyroclastic flows (data from Hayashi and Self, 1992). Figure from: Waythomas, C. F., Dorava, J. M., Miller, T. P., Neal, C. A., and McGimsey, R. G., 1998, Preliminary volcano-hazard assessment for Redoubt Volcano, Alaska: U.S. Geological Survey Open-File Report OF 98-0857, 40 p.
Date:1998 12:00 AM
Photographer:Waythomas, C. F.; Dorava, J. M.; Miller, T. P.; Neal, C. A.; McGimsey, R. G.
RedoubtPyroclastic flow
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Caption:Area most likely to be affected by pyroclastic flows and surges during eruptions of Redoubt Volcano. Figures from: Waythomas, C. F., Dorava, J. M., Miller, T. P., Neal, C. A., and McGimsey, R. G., 1998, Preliminary volcano-hazard assessment for Redoubt Volcano, Alaska: U.S. Geological Survey Open-File Report OF 98-0857, 40 p.
Date:1998 12:00 AM
Photographer:Waythomas, C. F.; Dorava, J. M.; Miller, T. P.; Neal, C. A.; McGimsey, R. G.
RedoubtPyroclastic flow, Tephra
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Caption:Areas most likely to be affected by large-scale debris avalanches at Redoubt Volcano. Figure from: Waythomas, C. F., Dorava, J. M., Miller, T. P., Neal, C. A., and McGimsey, R. G., 1998, Preliminary volcano-hazard assessment for Redoubt Volcano, Alaska: U.S. Geological Survey Open-File Report OF 98-0857, 40 p.
Date:1998 12:00 AM
Photographer:Waythomas, C. F.; Dorava, J. M.; Miller, T. P.; Neal, C. A.; McGimsey, R. G.
RedoubtDebris flow/mudflow/landslide/lahar, Volcano
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Caption:Run-out distance as a function of volcano height for volcanic debris avalanches. Figure from: Waythomas, C. F., Dorava, J. M., Miller, T. P., Neal, C. A., and McGimsey, R. G., 1998, Preliminary volcano-hazard assessment for Redoubt Volcano, Alaska: U.S. Geological Survey Open-File Report OF 98-0857, 40 p.
Date:1998 12:00 AM
Photographer:Waythomas, C. F.; Dorava, J. M.; Miller, T. P.; Neal, C. A.; McGimsey, R. G.
RedoubtVolcano, Debris flow/mudflow/landslide/lahar
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Caption:Upper Cook Inlet and areas that could be affected by tsunamis caused by lahars and debris avalanches from Redoubt Volcano. The likelihood of a tsunami associated with eruptions from Redoubt Volcano, based on its previous activity, is small. Figure from: Waythomas, C. F., Dorava, J. M., Miller, T. P., Neal, C. A., and McGimsey, R. G., 1998, Preliminary volcano-hazard assessment for Redoubt Volcano, Alaska: U.S. Geological Survey Open-File Report OF 98-0857, 40 p.
Date:1998 12:00 AM
Photographer:Waythomas, C. F.; Dorava, J. M.; Miller, T. P.; Neal, C. A.; McGimsey, R. G.
RedoubtFlood, Tsunami, Debris flow/mudflow/landslide/lahar
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Caption:Areas of the lower Drift River alluvial fan that were inundated by floods in May-August 1990 after the 1989-90 eruption. Figure from: Waythomas, C. F., Dorava, J. M., Miller, T. P., Neal, C. A., and McGimsey, R. G., 1998, Preliminary volcano-hazard assessment for Redoubt Volcano, Alaska: U.S. Geological Survey Open-File Report OF 98-0857, 40 p.
Date:1998 12:00 AM
Photographer:Waythomas, C. F.; Dorava, J. M.; Miller, T. P.; Neal, C. A.; McGimsey, R. G.
RedoubtFlood, Infrastructure/ cultural, Debris flow/mudflow/landslide/lahar
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