Unified Interior Regions

Region 11: Alaska

Alaska Science Center

Alaska Science Center

4210 University Drive
Anchorage, AK 99508
Phone: (907) 786-7000

View Center Website

Volcano Science Center

Volcano Science Center

4230 University Drive
Anchorage, AK 99508
Phone: (907) 786-7497

View Center Website

Climate Adaptation Science Center

Climate Adaptation Science Center

4230 University Drive
Anchorage, AK 99508
Phone: 907-301-7830

View Center Website

Regions L2 Landing Page Tabs

Filter Total Items: 2,416
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Year Published: 2018

Biological responses of Crested and Least auklets to volcanic destruction of nesting habitat in the Aleutian Islands, Alaska

Crested Auklets (Aethia cristatella) and Least Auklets (A. pusilla) are crevice-nesting birds that breed in large mixed colonies at relatively few sites in the Aleutian Island archipelago, Bering Sea, Gulf of Alaska, and Sea of Okhotsk. Many of these colonies are located on active volcanic islands. The eruption of Kasatochi volcano, in the central...

Drew, Gary S.; Piatt, John F.; Williams, Jeffrey C.
Drew, G.S., Piatt, J.F., and Williams, J., 2018, Biological responses of Crested and Least auklets to volcanic destruction of nesting habitat in the Aleutian Islands, Alaska: The Auk, vol. 135, no. 3, p. 477-485. doi: 10.1642/AUK-17-180.1

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Year Published: 2018

Surficial geologic map of the Dillingham quadrangle, southwestern Alaska

The geologic map of the Dillingham quadrangle in southwestern Alaska shows surficial unconsolidated deposits, many of which are alluvial or glacial in nature. The map area, part of Alaska that was largely not glaciated during the late Wisconsin glaciation, has a long history reflecting local and more distant glaciations. Late Wisconsin...

Wilson, Frederic H.
Wilson, F.H., 2018, Surficial geologic map of the Dillingham quadrangle, southwestern Alaska: U.S. Geological Survey Scientific Investigations Map 3388, 15 p., scale 1:250,000, https://doi.org/10.3133/sim3388.

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Year Published: 2018

Development and characterization of 12 polymorphic microsatellite loci in the sea sandwort, Honckenya peploides

Codominant marker systems are better suited to analyze population structure and assess the source of an individual in admixture analyses. Currently, there is no codominant marker system using microsatellites developed for the sea sandwort, Honckenya peploides (L.) Ehrh., an early colonizer in island systems. We developed and characterized novel...

Gravley, Megan C.; Sage, George K.; Talbot, Sandra L.; Carlson, Matthew L.
Gravley, M. C., G. K. Sage, S. L. Talbot, and M. L. Carlson. 2018. Development and characterization of 12 polymorphic microsatellite loci in the sea sandwort, Honckenya peploides. Journal of Plant Research:1-7. doi:10.1007/s10265-018-1036-7

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Year Published: 2018

A comparison of photograph-interpreted and IfSAR-derived maps of polar bear denning habitat for the 1002 Area of the Arctic National Wildlife Refuge, Alaska

Polar bears (Ursus maritimus) in Alaska use the Arctic National Wildlife Refuge (ANWR) for maternal denning. Pregnant bears den in snow banks for more than 3 months in winter during which they give birth to and nurture young. Denning is one of the most vulnerable times in polar bear life history as the family group cannot simply walk away from a...

Durner, George M.; Atwood, Todd C.
Durner, G.M., and Atwood, T.C., 2018, A comparison of photograph-interpreted and IfSAR-derived maps of polar bear denning habitat for the 1002 Area of the Arctic National Wildlife Refuge, Alaska: U.S. Geological Survey Open-File Report 2018–1083, 12 p., https://doi.org/10.3133/ofr20181083.

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Year Published: 2018

Acquisition and dissemination of cephalosporin-resistant E. coli in migratory birds sampled at an Alaska landfill as inferred through genomic analysis

Antimicrobial resistance (AMR) in bacterial pathogens threatens global health, though the spread of AMR bacteria and AMR genes between humans, animals, and the environment is still largely unknown. Here, we investigated the role of wild birds in the epidemiology of AMR Escherichia coli. Using next-generation sequencing, we characterized...

Ahlstrom, Christina Ann; Bonnedahl, Jonas; Woksepp, Hanna; Hernandez, Jorge; Bjorn, Olsen; Ramey, Andrew M.

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Year Published: 2018

A snow density dataset for improving surface boundary conditions in Greenland ice sheet firn modeling

The surface snow density of glaciers and ice sheets is of fundamental importance in converting volume to mass in both altimetry and surface mass balance studies, yet it is often poorly constrained. Site-specific surface snow densities are typically derived from empirical relations based on temperature and wind speed. These parameterizations...

Robert Fausto; Box, Jason E.; Baptiste Vandecrux; Dirk van As; Steffen, Konrad; MacFerrin, Michael J.; Machguth, Horst; Colgan, William; Mcgrath, Daniel; Koenig, Lora S.; Charalampidis, Charalampos; Braithwaite, Roger J.

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Year Published: 2018

Effects of climate change on ecological disturbance in the Northern Rockies Region [Chapter 8]

This chapter describes the ecology of important disturbance regimes in the Forest Service, U.S. Department of Agriculture (USFS) Northern Region and the Greater Yellowstone Area, hereafter called the Northern Rockies region, and potential shifts in these regimes as a consequence of observed and projected climate change. The term disturbance regime...

Loehman, Rachel A.; Bentz, Barbara J.; DeNitto, Gregg A.; Keane, Robert E.; Manning, Mary E.; Duncan, Jacob P.; Egan, Joel M.; Jackson, Marcus B.; Kegley, Sandra; Lockman, I. Blakey; Pearson, Dean E.; Powell, James A.; Shelly, Steve; Steed, Brytten E.; Zambino, Paul J.
Loehman, Rachel A., B. Bentz, R. Keane, and others. 2018. Effects of Climate Change on Ecological Disturbance in the Northern Rockies region. In Halofsky, J.E.; Peterson, D.L.; Dante-Wood, S.K.; Hoang, L., eds. Climate change vulnerability and adaptation in the Northern Rocky Mountains – Part 2. Gen. Tech. Rep. RMRS-GTR-374. Fort Collins, CO: U.S. Department of Agriculture, Forest Service, Rocky Mountain Research Station, Ft. Collins, CO. Pp. 317-352.

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Year Published: 2018

Effects of climate change on forest vegetation in the Northern Rockies Region [Chapter 6]

The projected rapid changes in climate will affect the unique vegetation assemblages of the Northern Rockies region in myriad ways, both directly through shifts in vegetation growth, mortality, and regeneration, and indirectly through changes in disturbance regimes and interactions with changes in other ecosystem processes, such as hydrology, snow...

Keane, Robert E.; Mahalovich, Mary Frances; Bollenbacher, Barry L.; Manning, Mary E.; Loehman, Rachel A.; Jain, Terrie B.; Holsinger, Lisa M.; Larson, Andrew J.; Webster, Meredith M.
Keane, Robert E.; Mahalovich, Mary Frances; Bollenbacher, Barry L.; Manning, Mary E.; Loehman, Rachel A.; Jain, Terrie B.; Holsinger, Lisa M.; Larson, Andrew J.; Webster, Meredith M. 2018. Effects of climate change on forest vegetation in the Northern Rockies Region [Chapter 6]. In: Halofsky, Jessica E.; Peterson, David L.; Dante-Wood, S. Karen; Hoang, Linh; Ho, Joanne J.; Joyce, Linda A., eds. 2018. Climate change vulnerability and adaptation in the Northern Rocky Mountains - Part 1. Gen. Tech. Rep. RMRS-GTR-374. Fort Collins, CO: U.S. Department of Agriculture, Forest Service, Rocky Mountain Research Station. p. 128-173.

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Year Published: 2018

Phenological mismatch in coastal western Alaska may increase summer season greenhouse gas uptake

High latitude ecosystems are prone to phenological mismatches due to climate change- driven advances in the growing season and changing arrival times of migratory herbivores. These changes have the potential to alter biogeochemical cycling and contribute to feedbacks on climate change by altering greenhouse gas (GHG) emissions of carbon dioxide (...

Kelsey, Katharine C.; Leffler, A. Joshua; Beard, Karen H.; Choi, Ryan T.; Schmutz, Joel A.; Welker, Jeffery M.
Kelsey, K.C., Leffler, A.J., Beard, K.H., Choi, R.T., Schmutz, J.A., and Welker, J.M., 2018, Phenological mismatch in coastal western Alaska may increase summer season greenhouse gas uptake. Environmental Research Letters 13(4) 044032, https://doi.org/10.1088/1748-9326/aab698

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Year Published: 2018

Legacy K/Ar and 40Ar/39Ar geochronologic data from the Alaska-Aleutian Range batholith of south-central Alaska

Sample descriptions and analytical data for more than 200 K/Ar and 40Ar/39Ar analyses from rocks of the Alaska-Aleutian Range batholith of south-central Alaska are reported here. Samples were collected over a period of 20 years by Bruce R. Reed and Marvin A. Lanphere (both U.S. Geological Survey) as part of their studies of the batholith.

Koeneman, Lisa L.; Wilson, Frederic H.
Koeneman, L.L., and Wilson, F.H., comps., 2018, Legacy K/Ar and 40Ar/39Ar geochronologic data from the Alaska- Aleutian Range batholith of south-central Alaska: U.S. Geological Survey Open-File Report 2018–1033, 8 p., 1 plate, https://doi.org/10.3133/ofr20181033.

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Year Published: 2018

Influenza A virus recovery, diversity, and intercontinental exchange: A multi-year assessment of wild bird sampling at Izembek National Wildlife Refuge, Alaska

Western Alaska is a potential point-of-entry for foreign-origin influenza A viruses (IAVs) into North America via migratory birds. We sampled waterfowl and gulls for IAVs at Izembek National Wildlife Refuge (NWR) in western Alaska, USA, during late summer and autumn months of 2011–2015, to evaluate the abundance and diversity of viruses at this...

Reeves, Andrew B.; Hall, Jeffery S.; Poulson, Rebecca L.; Donnelly, Tyrone F.; Stallknecht, David E.; Ramey, Andrew M.

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Year Published: 2018

Montane-breeding bird distribution and abundance across national parks of southwestern Alaska

Between 2004 and 2008, biologists conducted an inventory of breeding birds during May–June primarily in montane areas (>100 m above sea level) in Aniakchak National Monument and Preserve (Aniakchak NMP), Katmai National Park and Preserve (Katmai NPP), and Lake Clark National Park and Preserve (Lake Clark NPP) in southwestern Alaska. Observers...

Amundson, Courtney L.; Handel, Colleen M.; Ruthrauff, Daniel R.; Tibbitts, T. Lee; Gill, Robert E.
Amundson, C.L., C.M. Handel, D.R. Ruthrauff, T. Lee Tibbitts, and R.E. Gill, Jr. 2018. Montane-breeding Bird Distribution and Abundance across National Parks of Southwestern Alaska. Journal of Fish and Wildlife Management, In Press. http://fwspubs.org/doi/pdf/10.3996/062017-JFWM-050

Browse a selection of videos, audio clips, images, and more from a wide range of science topics covered by USGS!

"Science for a Changing World" - watch the short film here!

Documentary on walruses here!

Watch the first-ever footage of a polar bear on Arctic sea ice!

Join USGS geologists as they collect lava samples from Kilauea Volcano.

Watch researchers in the Arctic!

Filter Total Items: 972
A shorebird walking in small rocks on a shore
September 17, 2016

Pacific Golden-Plover standing on rocks near Big Creek, Alaska

Pacific Golden-Plover standing on rocks near Big Creek, Alaska.

The Agashashok River and Asik watershed
September 15, 2016

Agashashok River and Asik watershed

The Agashashok River and Asik watershed

Tyndall Glacier, Alaska
September 6, 2016

Tyndall Glacier in Taan Fiord, Alaska

Tyndall Glacier in Taan Fiord, Alaska, is a modern day remnant of the glaciers that once flowed over the Gulf of Alaska.

Scientists operate equipment in snow-covered area.
September 6, 2016

GPR and Broadband Electromagnetic Induction

USGS scientists conduct field work in the foothills of the Brooks Range in Alaska. Hydrologist Eric White (left) is collecting ground-penetrating radar (GPR). Research Hydrologist Martin Briggs (right) is collecting broadband electromagnetic induction data. The flowing water visible in the background is groundwater discharging at a spring. (October 2016)

Example of thawing landscapes and thermokarst at our field sites
September 5, 2016

Example of thawing landscapes and thermokarst at our field sites

Example of thawing landscapes and thermokarst at our field sites

Scientist pours a dye in a pit to see how water moves through soil
September 3, 2016

Soil tracer applied on burned hillslope

Brian Ebel pours a dye tracer into a pit to observe how water moves through soils on a burned hillslope.

Scientist walking up a stream in the Agashashok River drainage
August 31, 2016

Scientist sampling a stream in the drainage of the Agashashok River

Chris Zimmerman sampling a stream in the drainage of the Agashashok River which is in the Boreal-Arctic transition of the Brooks Range in Noatak National Park and Preserve, Kobuk Valley National Park. This is part of the Hydro-Ecoloy of Arctic Thawing (HEAT) project.

An aerial view of a stream in the Agashashok River watershed in the western Brooks range
August 31, 2016

An aerial view of a stream in the Agashashok River watershed

A stream type at the Boreal-Arctic transition of the Brooks Range, Noatak National Park and Preserve, Kobuk Valley National Park. The stream is part of the Agashashok River watershed. This is part of the Hydro-Ecoloy of Arctic Thawing (HEAT) project.

A stream in the Agashashok River drainage
August 31, 2016

A stream in the Agashashok River watershed

A stream type at the Boreal-Arctic transition of the Brooks Range, Noatak National Park and Preserve, Kobuk Valley National Park. This stream is in the Agashashok River watershed. This is part of the Hydro-Ecoloy of Arctic Thawing (HEAT) project.

A Horned Puffin taking off from the water
August 26, 2016

A Horned Puffin taking off from the water

A Horned Puffin taking off from the water

Horned Puffin, one of the species affected by a recent seabird die-off in the Pribilof Islands, AK
August 26, 2016

Horned Puffin, near Chisik Island in Lower Cook Inlet, Alaska

Horned Puffin, one of the species affected by a recent seabird die-off in the Pribilof Islands, AK. Near Chisik Island in Lower Cook Inlet, Alaska

Browse a collection of stories about prominent USGS scientists and projects in Alaska news.

2019 USGS Alaska Annual Science Report

Filter Total Items: 248
USGS
November 6, 2002

Sunday’s magnitude (M) 7.9 central Alaska earthquake was one of the largest recorded earthquakes in our Nation’s history. The epicenter of the Nov. 3 temblor was located approximately 75 miles (135 km) south of Fairbanks and 176 miles (283 km) north of Anchorage. 

USGS
October 25, 2002

On October 23, 2002, a strong magnitude (M) 6.7 earthquake occurred at 3:27 AM Local time 85 miles (135 km) south of Fairbanks and 172 miles (276 km) north of Anchorage. The earthquake was felt broadly, from Fairbanks in the north to Anchorage in the south, a distance of 255 miles. Because of the remote location, however, there was very little damage.

USGS
October 23, 2002

A new study by the U.S. Geological Survey (USGS) shows that the Castle Mountain fault in south-central Alaska may be ready to produce a strong magnitude 6 to 7 earthquake. The study, which examined the ancient earthquake history of the Castle Mountain fault, was just published in the October issue of the Geological Society of America Bulletin.

USGS science for a changing world logo
August 16, 2002

The immediate threat of overflow of water from Russell Lake caused by the advance of Hubbard Glacier, North America’s largest tidewater glacier, is over, according to reports from Dennis Trabant, a glaciologist with the U.S. Geological Survey.

USGS
August 16, 2002

The immediate threat of overflow of water from Russell Lake caused by the advance of Hubbard Glacier, North America’s largest tidewater glacier, is over, according to reports from Dennis Trabant, a glaciologist with the U.S. Geological Survey

USGS science for a changing world logo
June 18, 2002

North America’s largest calving glacier, Hubbard Glacier, is advancing and is close to blocking the entrance to Russell Fiord near Yakutat, Alaska, according to reports from Dennis Trabant, a glaciologist with the U. S. Geological Survey (USGS).

USGS
June 18, 2002

North America’s largest calving glacier, Hubbard Glacier, is advancing and is close to blocking the entrance to Russell Fiord near Yakutat, Alaska, according to reports from Dennis Trabant, a glaciologist with the U. S. Geological Survey (USGS).

USGS science for a changing world logo
May 16, 2002

U.S. Geological Survey scientists have completed a four-year re-assessment of the undiscovered oil and gas resources of the National Petroleum Reserve in Alaska (NPRA). The re-assessment includes an economic analysis of the undiscovered oil in the NPRA and shows that the federal part of NPRA contains significant volumes of technically recoverable oil and gas resources spread over a vast area.

USGS
May 16, 2002

U.S. Geological Survey (USGS) scientists have completed a four-year re-assessment of the undiscovered oil and gas resources of the National Petroleum Reserve in Alaska (NPRA). 

USGS
March 29, 2002

The U.S. Geological Survey (USGS) released today a summary report of more than 10 years of investigations on the biological resources of the Arctic National Wildlife Refuge in and near the 1002 Area, a region of about 1.5 million acres on the coastal plain in the northern part of the Arctic Refuge.

USGS science for a changing world logo
December 10, 2001

Of Alaska’s several-thousand valley glaciers, including nearly 700 that are named, fewer than 20 are advancing, according to a major study that U.S. Geological Survey (USGS) scientist Bruce F. Molnia will present at the American Geophysical Union Annual 2001 Fall Meeting, scheduled for Dec. 10-14 in San Francisco, CA.

USGS
December 10, 2001

Of Alaska’s several-thousand valley glaciers, including nearly 700 that are named, fewer than 20 are advancing, according to a major study that U.S. Geological Survey (USGS) scientist Bruce F. Molnia will present at the American Geophysical Union Annual 2001 Fall Meeting, scheduled for Dec. 10-14 in San Francisco, CA.

Stay up-to-date with what is happening in the Alaska Region by checking out our different social media accounts. You can also contact Alaska Regional Office staff or Center Directors for more information.