USGS Scientist-in-Charge (SIC) of the Alaska Volcano Observatory, Tom Murray, gets first-hand look at the heightened activity of Redoubt volcano.
Images
Browse images from a wide range of science topics covered by USGS.
USGS Scientist-in-Charge (SIC) of the Alaska Volcano Observatory, Tom Murray, gets first-hand look at the heightened activity of Redoubt volcano.
Research geologist Michelle Coombs monitors information on Redoubt during a restless period.
Research geologist Michelle Coombs monitors information on Redoubt during a restless period.
Black-capped Chickadee with an elongated and decurved maxilla
Black-capped Chickadee with an elongated and decurved maxillaBlack-capped Chickadee with an elongated and decurved maxilla.
Black-capped Chickadee with an elongated and decurved maxilla
Black-capped Chickadee with an elongated and decurved maxillaBlack-capped Chickadee with an elongated and decurved maxilla.
Northern Alaska and potential gas hydrate occurences
Northern Alaska and potential gas hydrate occurences
Water sampling on the Tanana River. Notice the poles of the piezometers installed in the river. This project was to see chum salmon spawning habitat in the winter.
Water sampling on the Tanana River. Notice the poles of the piezometers installed in the river. This project was to see chum salmon spawning habitat in the winter.
Biologists looking over the Tanana River in November, 2008
Biologists looking over the Tanana River in November, 2008Biologists looking from a bluff over the Tanana River in November 2008. This project was to see chum salmon spawning habitat in the winter.
Biologists looking over the Tanana River in November, 2008
Biologists looking over the Tanana River in November, 2008Biologists looking from a bluff over the Tanana River in November 2008. This project was to see chum salmon spawning habitat in the winter.
Tanana River salmon eggs in the gravel in November 2008
Tanana River salmon eggs in the gravel in November 2008Chum salmon eggs in the gravel in the Tanana River. This project was to see chum salmon spawning habitat in the winter.
Tanana River salmon eggs in the gravel in November 2008
Tanana River salmon eggs in the gravel in November 2008Chum salmon eggs in the gravel in the Tanana River. This project was to see chum salmon spawning habitat in the winter.
Biologist reading water sampling meter during winter Tanana River work
Biologist reading water sampling meter during winter Tanana River workBiologist reading water meter in the Tanana River in November, 2008. This project was to see chum salmon spawning habitat in the winter.
Biologist reading water sampling meter during winter Tanana River work
Biologist reading water sampling meter during winter Tanana River workBiologist reading water meter in the Tanana River in November, 2008. This project was to see chum salmon spawning habitat in the winter.
Biologist getting ready for Tanana River sampling in November, 2008
Biologist getting ready for Tanana River sampling in November, 2008Biologist standing next to the shore getting ready to sample water in the Tanana River. This project was to see chum salmon spawning habitat in the winter.
Biologist getting ready for Tanana River sampling in November, 2008
Biologist getting ready for Tanana River sampling in November, 2008Biologist standing next to the shore getting ready to sample water in the Tanana River. This project was to see chum salmon spawning habitat in the winter.
Biologist standing in the Tanana River sampling the open water. This project was to see chum salmon spawning habitat in the winter.
Biologist standing in the Tanana River sampling the open water. This project was to see chum salmon spawning habitat in the winter.
Helicopter used for transportation on Tanana River winter sampling
Helicopter used for transportation on Tanana River winter samplingA helicopter used to transport personnel to the Tanana River to winter sample chum salmon spawning habitat.
Helicopter used for transportation on Tanana River winter sampling
Helicopter used for transportation on Tanana River winter samplingA helicopter used to transport personnel to the Tanana River to winter sample chum salmon spawning habitat.
The northern lights over the Selawik River, Alaska
The northern lights over the Selawik River, AlaskaThe northern lights over the Selawik River, Alaska
The northern lights over the Selawik River, Alaska
The northern lights over the Selawik River, AlaskaThe northern lights over the Selawik River, Alaska
Sheefish eggs in a vial from the Selawik River, Alaska
Sheefish eggs in a vial from the Selawik River, Alaska
Biologists clip the tip of one of the ventral fins of a sheefish that is in a cradle in the Selawik River, Alaska. This study was collecting genetic samples to help find impacts of fine sediment on sheefish. The results were no impacts due to low amounts of sediments present.
Biologists clip the tip of one of the ventral fins of a sheefish that is in a cradle in the Selawik River, Alaska. This study was collecting genetic samples to help find impacts of fine sediment on sheefish. The results were no impacts due to low amounts of sediments present.
A close up of a moose on the Selawik River, Alaska
A close up of a moose on the Selawik River, AlaskaA moose on the shore of the Selawik River. This moose was present during the Sheefish sediment impact study field work.
A close up of a moose on the Selawik River, Alaska
A close up of a moose on the Selawik River, AlaskaA moose on the shore of the Selawik River. This moose was present during the Sheefish sediment impact study field work.
Scenic of the Selawik River
Scenic of the Selawik River
Biologist recording data on Black-capped Chickadee
Biologist recording data on Black-capped ChickadeeJohn Terenzi recording data on Black-capped Chickadee.
Biologist recording data on Black-capped Chickadee
Biologist recording data on Black-capped ChickadeeJohn Terenzi recording data on Black-capped Chickadee.
Caribou crossing the Selawik River, Alaska
Bar-tailed Godwit flock on Cape Avinof, western Alaska
Bar-tailed Godwit flock on Cape Avinof, western AlaskaBar-tailed Godwit flock flying over the mudflats on Cape Avinof, western Alaska.
Bar-tailed Godwit flock on Cape Avinof, western Alaska
Bar-tailed Godwit flock on Cape Avinof, western AlaskaBar-tailed Godwit flock flying over the mudflats on Cape Avinof, western Alaska.
Aquatic ecosystems make a difference in the carbon cycle. The location in this photo is located near Beaver, Alaska approximately 100 miles north of Fairbanks.
Aquatic ecosystems make a difference in the carbon cycle. The location in this photo is located near Beaver, Alaska approximately 100 miles north of Fairbanks.
This is a view of Barrow, Alaska from a helicopter.
This is a view of Barrow, Alaska from a helicopter.