Trench site along the southern Fairweather Fault, in Glacier Bay National Park, Alaska. The alluvial fan at left consists of lake, stream channel and debris flow deposits impounded by the Fairweather Fault scarp, at right.
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Glacier Bay National Park
Trench site along the southern Fairweather Fault, in Glacier Bay National Park, Alaska. The alluvial fan at left consists of lake, stream channel and debris flow deposits impounded by the Fairweather Fault scarp, at right.
Alaska field team revisit Tocher's 1958 site
The field team revisited many of the same locations geologists Don Tocher and Don Miller studied in 1958.
The field team revisited many of the same locations geologists Don Tocher and Don Miller studied in 1958.
Alaska field crew next to a trench
The field crew studies various areas thoughout the fault.
The field crew studies various areas thoughout the fault.
Alaska field team walking to sample site
The field crew walked miles daily to research the Fairweather fault and surrounding areas.
The field crew walked miles daily to research the Fairweather fault and surrounding areas.
Fairweather Fault
USGS research geologist Kate Scharer with her finger on the Fairweather Fault in southeast Alaska. The magnitude 7.8 Lituya Bay earthquake caused shaking that toppled trees along the fault, which left a break in the forest shown here.
USGS research geologist Kate Scharer with her finger on the Fairweather Fault in southeast Alaska. The magnitude 7.8 Lituya Bay earthquake caused shaking that toppled trees along the fault, which left a break in the forest shown here.
South Crillon Glacier
Periodic calving of ice from the snout of South Crillon Glacier.
Periodic calving of ice from the snout of South Crillon Glacier.
Inspecting Permafrost
USGS scientist Neal Pastick inspects a permafrost plot in North Slope of Alaska near Galbraith Lake.
USGS scientist Neal Pastick inspects a permafrost plot in North Slope of Alaska near Galbraith Lake.
Laying Ground Cable to Measure Permafrost
USGS scientist Burke Minsley and project partners from the U. Alaska Fairbanks lay ground cable to measure permafrost depth at Nome Creek site north of Fairbanks, Alaska.
USGS scientist Burke Minsley and project partners from the U. Alaska Fairbanks lay ground cable to measure permafrost depth at Nome Creek site north of Fairbanks, Alaska.
Kenai River during the personal use dipnet fishery for sockeye salmon.
Kenai River during the personal use dipnet fishery for sockeye salmon.Gulls using beach at the mouth of Kenai River during the personal use dipnet fishery for sockeye salmon; photo taken during sampling trip in July 2016.
Kenai River during the personal use dipnet fishery for sockeye salmon.
Kenai River during the personal use dipnet fishery for sockeye salmon.Gulls using beach at the mouth of Kenai River during the personal use dipnet fishery for sockeye salmon; photo taken during sampling trip in July 2016.
A gull marked with a satellite transmitter at the Soldotna landfill
A gull marked with a satellite transmitter at the Soldotna landfillJohn Reed (USGS scientist) holding a gull marked with a satellite transmitter at the Soldotna landfill in June 2016.
A gull marked with a satellite transmitter at the Soldotna landfill
A gull marked with a satellite transmitter at the Soldotna landfillJohn Reed (USGS scientist) holding a gull marked with a satellite transmitter at the Soldotna landfill in June 2016.
American Golden-Plover nest in dwarf shrub mat habitat
American Golden-Plover nest in dwarf shrub mat habitatAmerican Golden-Plover nest in dwarf shrub mat habitat. This photo was taken on the Seward Peninsula as part of the Changing Arctic Ecosystem Boreal-Arctic Transition Zone program.
American Golden-Plover nest in dwarf shrub mat habitat
American Golden-Plover nest in dwarf shrub mat habitatAmerican Golden-Plover nest in dwarf shrub mat habitat. This photo was taken on the Seward Peninsula as part of the Changing Arctic Ecosystem Boreal-Arctic Transition Zone program.
Euphausids and a shrimp from a trawl catch
Euphausids (also known as krill) and a shrimp from a trawl catch. Some of the most important forage fish species in this region include Pacific capelin, sand lance, herring and, even though they aren’t fish, euphausiids (also known as krill).
Euphausids (also known as krill) and a shrimp from a trawl catch. Some of the most important forage fish species in this region include Pacific capelin, sand lance, herring and, even though they aren’t fish, euphausiids (also known as krill).
Scientist conducting marine bird and mammal survey
Scientist conducting marine bird and mammal surveyScientists on the bow of the R/V Alaskan Gyre looking through binoculars
Scientist conducting marine bird and mammal survey
Scientist conducting marine bird and mammal surveyScientists on the bow of the R/V Alaskan Gyre looking through binoculars
Salcha River debris near Salchaket
Salcha River debris near Salchaket
Salcha River debris near Salchaket
Erica Madison bringing in the mid-water trawl on the R/V Alaskan Gyre
Erica Madison bringing in the mid-water trawl on the R/V Alaskan GyreScientist pulling in the beginning of the mid-water trawl on the R/V Alaskan Gyre
Erica Madison bringing in the mid-water trawl on the R/V Alaskan Gyre
Erica Madison bringing in the mid-water trawl on the R/V Alaskan GyreScientist pulling in the beginning of the mid-water trawl on the R/V Alaskan Gyre
A True Ice Worm on La Perouse Glacier, Glacier Bay National Park
A True Ice Worm on La Perouse Glacier, Glacier Bay National ParkA true ice worm (Mesenchytraeus solifugus) on the La Perouse Glacier, Glacier Bay National Park.
A True Ice Worm on La Perouse Glacier, Glacier Bay National Park
A True Ice Worm on La Perouse Glacier, Glacier Bay National ParkA true ice worm (Mesenchytraeus solifugus) on the La Perouse Glacier, Glacier Bay National Park.
Coring earthquake-related submarine landslide deposits in Skilak Lake
Coring earthquake-related submarine landslide deposits in Skilak LakeUSGS scientists work with academic collaborators from the University of Ghent (Belgium) to core earthquake-related submarine landslide deposits in Skilak Lake, Alaska.
Coring earthquake-related submarine landslide deposits in Skilak Lake
Coring earthquake-related submarine landslide deposits in Skilak LakeUSGS scientists work with academic collaborators from the University of Ghent (Belgium) to core earthquake-related submarine landslide deposits in Skilak Lake, Alaska.
Tom Parsons preparing the multibeam arm on the R/V Alaskan Gyre
Tom Parsons preparing the multibeam arm on the R/V Alaskan GyreScientist leaning over side of R/V Alaskan Gyre adjusting the multibeam arm
Tom Parsons preparing the multibeam arm on the R/V Alaskan Gyre
Tom Parsons preparing the multibeam arm on the R/V Alaskan GyreScientist leaning over side of R/V Alaskan Gyre adjusting the multibeam arm
Cassin’s Auklet decomposes on the beach west of Cape Grieg
Cassin’s Auklet decomposes on the beach west of Cape GriegA Cassin’s Auklet decomposes on the beach west of Cape Grieg following a die-off in 2015/2016. West of Cape Grieg, Alaska Peninsula.
Cassin’s Auklet decomposes on the beach west of Cape Grieg
Cassin’s Auklet decomposes on the beach west of Cape GriegA Cassin’s Auklet decomposes on the beach west of Cape Grieg following a die-off in 2015/2016. West of Cape Grieg, Alaska Peninsula.
Scientists search for beachcast Common Murres
Sarah Schoen and pilot Chris Klosterman search for beachcast Common Murres along the Alaska Peninsula following the massive die-off of murres in 2015/2016. Wide Bay, Alaska Peninsula
Sarah Schoen and pilot Chris Klosterman search for beachcast Common Murres along the Alaska Peninsula following the massive die-off of murres in 2015/2016. Wide Bay, Alaska Peninsula
Tony DeGange searches for Common Murre carcasses
Retired USGS biologist Tony DeGange searches for Common Murre carcasses along the Alaska Peninsula following the massive die-off of murres in 2015/2016. Puale Bay, Alaska Peninsula
Retired USGS biologist Tony DeGange searches for Common Murre carcasses along the Alaska Peninsula following the massive die-off of murres in 2015/2016. Puale Bay, Alaska Peninsula