AVO Logo
Site Map | FAQ |
Alaska Volcano Observatory
Image Search | Recent Images | Popular Images | Browse Images 
You are here: Home > Images > Browse Images

AVO IMAGE DATABASE
First  < Previous   ... 219  220  221  222  223  224  225  226  227  228  229  230  231  232  233  234  235  236  237  238  239  ... Next >  Last  
ImageDetailsVolcanoesKeywords
thumbnail
Caption:Ground cracks in the tephra mantled northwest flank of Akutan Volcano, presumably associated with the March 1996 seismic swarm.
Date:July 22, 1996 12:00 AM
Photographer:McGimsey, Game
AkutanFissure/ ground crack, Stratovolcano, Tephra, Volcano
thumbnail
Caption:Ground cracks in the tephra mantled northwest flank of Akutan Volcano, presumable associated with the March 1996 seismic swarm.
Date:July 22, 1996 12:00 AM
Photographer:McGimsey, Game
AkutanFissure/ ground crack, Stratovolcano, Tephra, Volcano
thumbnail
Caption:Ground cracks in the tephra mantled northwest flank of Akutan Volcano, presumable associated with the March 1996 seismic swarm.
Date:July 22, 1996 12:00 AM
Photographer:McGimsey, Game
AkutanFissure/ ground crack, Tephra
thumbnail
Caption:Hot Springs Bay, Akutan Island. A series of hot springs extend from the beach up the valley for several kilometers.
Date:July 21, 1996 12:00 AM
Photographer:McGimsey, Game
AkutanHot Springs
thumbnail
Caption:Contorted columnar jointed on the eastern flank of Makushin Volcano. Columnar joints form perpendicular to the cooling surfaces of a lava flow. The contorting jointing at this locality was caused by the interaction of lava with glacial ice.
Date:July 20, 1996 12:00 AM
Photographer:Roach, A. L.
MakushinLava flow, People in action, Stratovolcano, Volcano
thumbnail
Caption:Trident seafood processing plant at Akutan Harbor. Akutan Volcano is visible on the skyline.
Date:July 20, 1996 12:00 AM
Photographer:McGimsey, Game
AkutanStratovolcano, Volcano
thumbnail
Caption:A stream cuts into large, terraced platforms in Bishop Valley, northeast of Makushin Volcano. A pre-existing glacial valley was filled with a thick sequence of Holocene pyroclastic flows, surges, and fall deposits. View is from the north.
Date:July 17, 1996 12:00 AM
Photographer:Roach, A. L.
MakushinStratovolcano, Volcano
thumbnail
Caption:1978 lava flow at Akutan Volcano that advanced down the west flank through a breach in the caldera wall.
Date:July 17, 1996 12:00 AM
Photographer:McGimsey, Game
AkutanCaldera/crater, Lava flow, Stratovolcano, Volcano
thumbnail
Caption:East-northeast flank of Akutan Volcano. Incised Holocene lahar deposits are visible in the foreground.
Date:July 16, 1996 12:00 AM
Photographer:McGimsey, Game
AkutanDebris flow/mudflow/landslide/lahar, Stratovolcano, Volcano
thumbnail
Caption:1978 lava flow at Akutan Volcano that advanced down the west flank through a breach in the caldera wall. Lighter gray areas within the flow are kipukas of a 1929 lava flow.
Date:July 16, 1996 12:00 AM
Photographer:McGimsey, Game
AkutanCaldera/crater, Lava flow, Stratovolcano, Volcano
thumbnail
Caption:Don Richter helping to install the Lava Point seismic station. The rim of Akutan caldera is visible on the skyline.
Date:July 16, 1996 12:00 AM
Photographer:McGimsey, Game
AkutanCaldera/crater, Fieldwork operations, People in action, Seismic/GPS installation
thumbnail
Caption:Remnant lava dome, east of Sandy Cove, Akutan Island
Date:July 16, 1996 12:00 AM
Photographer:McGimsey, Game
AkutanDome
thumbnail
Caption:Don Richter and Jim Clippard install the Lava Point seismic station, Akutan Volcano.
Date:July 16, 1996 12:00 AM
Photographer:McGimsey, Game
AkutanFieldwork operations, People in action, Seismic/GPS installation
thumbnail
Caption:Installation of Lava Point Seismic Station, Akutan.
Date:July 16, 1996 12:00 AM
Photographer:McGimsey, Game
AkutanFieldwork operations, People in action, Seismic/GPS installation
thumbnail
Caption:Cinder cone (cross section, center of view) exposed at Lava Bight, south end of Lava Point lava field, Akutan Volcano.
Date:July 15, 1996 12:00 AM
Photographer:McGimsey, Game
AkutanCinder cone
thumbnail
Caption:A bubble bursts at a small, boiling hot springs on the flank of Makushin Volcano. Hot springs and fumaroles may form when groundwater is heated by a magmatic source.
Date:July 14, 1996 12:00 AM
Photographer:Roach, A. L.
MakushinHot Springs
thumbnail
Caption:Seismic Station, Akutan
Date:July 13, 1996 12:00 AM
Photographer:McGimsey, Game
AkutanFieldwork operations, Seismic/GPS installation
thumbnail
Caption:A geologist exposes layers of ash and pumice intercalated with soil on the lower slopes of Makushin Volcano. The layers are indicative of numerous episodes of Holocene eruptions.
Date:July 12, 1996 12:00 AM
Photographer:Roach, A. L.
MakushinPeople in action, Stratovolcano, Tephra, Volcano
thumbnail
Caption:Geologist stands near a large, dune-like feature in the surge deposits on the flank of Makushin Volcano.
Date:July 12, 1996 12:00 AM
Photographer:Beget, J.
MakushinPeople in action, Pyroclastic flow
thumbnail
Caption:Layers of surge deposits blanket a bomb on the slopes of Sugarloaf, a flank vent of Makushin Volcano. Rock hammer is for scale.
Date:July 11, 1996 12:00 AM
Photographer:Roach, A. L.
MakushinBomb
thumbnail
Caption:Surge deposits exposed on Sugarloaf, a flank vent of Makushin Volcano. These deposits may be indicative of the explosive interaction of lava with groundwater. Trowel is for scale. View is from the northeast.
Date:July 11, 1996 12:00 AM
Photographer:Roach, A. L.
MakushinDebris flow/mudflow/landslide/lahar, Fieldwork operations
thumbnail
Caption:View down the "Lava Ramp" of Makushin Volcano. The Lava Ramp is an unusually large, homogenous package of lava flows filling a pre-existing glacial valley. View is from the south.
Date:July 11, 1996 12:00 AM
Photographer:Roach, A. L.
MakushinLava flow, Stratovolcano, Volcano
thumbnail
Caption:A geologist views the upper portion of Makushin Valley, east of Makushin Volcano. The valley has been filled with a thick sequence of Holocene pyroclastic flows, surges, and fall deposits. View is from the northeast.
Date:July 11, 1996 12:00 AM
Photographer:Roach, A. L.
MakushinDebris flow/mudflow/landslide/lahar, People in action, Pyroclastic flow, Stratovolcano, Volcano
thumbnail
Caption:A layer of ash is exposed in melting snow on the upper slopes of Makushin volcano. The ash is composed primarily of hydrothermally altered rock which gives it a distinctive grey color. View is from the southwest.
Date:July 7, 1996 12:00 AM
Photographer:Roach, A. L.
MakushinStratovolcano, Tephra, Volcano
thumbnail
Caption:Pakushin, a flank vent of Makushin Volcano, is a cinder cone that was constructed during the Pleistocene. Okmok caldera is visible in the distance. View is from the east.
Date:July 7, 1996 12:00 AM
Photographer:Roach, A. L.
Makushin, OkmokStratovolcano, Volcano
First  < Previous   ... 219  220  221  222  223  224  225  226  227  228  229  230  231  232  233  234  235  236  237  238  239  ... Next >  Last  
Contact AVO Privacy Accessibility Information Quality FOIA
URL: avo.alaska.edu/images/browse.php
Page modified: May 14, 2014 14:08
Contact Information: AVO Web Team

twitter @alaska_avo
facebook alaska.avo
email Receive volcano updates by email: USGS VNS