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Browse images from a wide range of science topics covered by USGS. All items in this gallery are considered public domain unless otherwise noted.
Lower Drift River with tremendous amount of silt from the lahars. Aerial surveys were done after the eruption of the Redoubt volcano to determine the condition of fish streams.
Lower Drift River with tremendous amount of silt from the lahars. Aerial surveys were done after the eruption of the Redoubt volcano to determine the condition of fish streams.
Drift River on the west side of Cook Inlet, Alaska. Lahars from the eruption of Redoubt are evident. Surveys were done after the eruption of the Redoubt volcano to determine the condition of fish streams. Alaska Department of Fish and Game had done surveys in this particular area and found coho salmon before the eruption.
Drift River on the west side of Cook Inlet, Alaska. Lahars from the eruption of Redoubt are evident. Surveys were done after the eruption of the Redoubt volcano to determine the condition of fish streams. Alaska Department of Fish and Game had done surveys in this particular area and found coho salmon before the eruption.
A panorama of the Redoubt Volcano after the 2009 eruption and the Drift River delta in the foreground
A panorama of the Redoubt Volcano after the 2009 eruption and the Drift River delta in the foreground
Aerial views of Tuxedni Bay on the west side of Cook Inlet, Alaska. This was during surveys for juvenile salmon distribution for the Anadromous Fish Catalog for the State of Alaska.
Aerial views of Tuxedni Bay on the west side of Cook Inlet, Alaska. This was during surveys for juvenile salmon distribution for the Anadromous Fish Catalog for the State of Alaska.
Aerial views of Tuxedni Bay on the west side of Cook Inlet, Alaska. This was during surveys for juvenile salmon distribution for the Anadromous Fish Catalog for the State of Alaska.
Aerial views of Tuxedni Bay on the west side of Cook Inlet, Alaska. This was during surveys for juvenile salmon distribution for the Anadromous Fish Catalog for the State of Alaska.
Upper Crescent River on the west side of Cook Inlet, Alaska. Surveys were done after the eruption of the Redoubt volcano to determine the condition of fish streams.
Upper Crescent River on the west side of Cook Inlet, Alaska. Surveys were done after the eruption of the Redoubt volcano to determine the condition of fish streams.
Aerial surveys were done after the eruption of the Redoubt volcano to determine the condition of fish streams.
Aerial surveys were done after the eruption of the Redoubt volcano to determine the condition of fish streams.
Aerial views of Tuxedni Bay on the west side of Cook Inlet, Alaska. This was during surveys for juvenile salmon distribution for the Anadromous Fish Catalog for the State of Alaska.
Aerial views of Tuxedni Bay on the west side of Cook Inlet, Alaska. This was during surveys for juvenile salmon distribution for the Anadromous Fish Catalog for the State of Alaska.
Aerial views of streams on the west side of Cook Inlet, Alaska. This was during surveys for juvenile salmon distribution for the Anadromous Fish Catalog for the State of Alaska.
Aerial views of streams on the west side of Cook Inlet, Alaska. This was during surveys for juvenile salmon distribution for the Anadromous Fish Catalog for the State of Alaska.
Aerial views of streams on the west side of Cook Inlet, Alaska. This was during surveys for juvenile salmon distribution for the Anadromous Fish Catalog for the State of Alaska.
Aerial views of streams on the west side of Cook Inlet, Alaska. This was during surveys for juvenile salmon distribution for the Anadromous Fish Catalog for the State of Alaska.
Drift River on the west side of Cook Inlet, Alaska. Lahars from the eruption of Redoubt are evident. Aerial surveys were done after the eruption of the Redoubt volcano to determine the condition of fish streams.
Drift River on the west side of Cook Inlet, Alaska. Lahars from the eruption of Redoubt are evident. Aerial surveys were done after the eruption of the Redoubt volcano to determine the condition of fish streams.
Black-footed Albatross flying near Kasatochi Volcano in 2009
Black-footed Albatross flying near Kasatochi Volcano in 2009
The R/V Alaskan Gyre in Katmai National Park, Alaska
The R/V Alaskan Gyre in Katmai National Park, Alaska
Male Bar-tailed Godwit at a breeding site near Prudhoe Bay, Alaska. USGS and USFWS recently found that almost the entire population of Alaska-breeding bar-tailed godwits feed along sand bars near the mouth of the Kuskokwim River in autumn.
Male Bar-tailed Godwit at a breeding site near Prudhoe Bay, Alaska. USGS and USFWS recently found that almost the entire population of Alaska-breeding bar-tailed godwits feed along sand bars near the mouth of the Kuskokwim River in autumn.
1992 lava dome, Bogoslof Island
1992 lava dome, Bogoslof Island
Bronwen Wang and Sandy Talbot working on the slope Kasatochi Volcano next to a remaining clump of grasses from the 2008 eruption.
Bronwen Wang and Sandy Talbot working on the slope Kasatochi Volcano next to a remaining clump of grasses from the 2008 eruption.
A Crested Auklet flock flying around the Research Vessel Tiglax off of the Kasatochi volcano. Research here was concerned with documenting recolonization of an island community after a catastrophic volcano eruption.
A Crested Auklet flock flying around the Research Vessel Tiglax off of the Kasatochi volcano. Research here was concerned with documenting recolonization of an island community after a catastrophic volcano eruption.
Least and Crested Auklet panorama on Kasatochi Volcano one year after the catastrophic eruption of August 7, 2008.
Least and Crested Auklet panorama on Kasatochi Volcano one year after the catastrophic eruption of August 7, 2008.
Four Least Auklets standing on ash mud of Kasatochi Volcano in 2009
Four Least Auklets standing on ash mud of Kasatochi Volcano in 2009
Kasatochi Volcano crater one year after the 2008 eruption. Blue-green color is from high acidity.
Kasatochi Volcano crater one year after the 2008 eruption. Blue-green color is from high acidity.
Three Least Auklets standing in the ash mud on Kasatochi Volcano one year after the eruption of August 2008.
Three Least Auklets standing in the ash mud on Kasatochi Volcano one year after the eruption of August 2008.