Unified Interior Regions

Alaska

The Alaska Region represents a resource-rich, dynamic landscape shaped by volcanos, earthquakes, major rivers, and glaciers. Here, we conduct research to inform management of Alaska’s extensive natural resources, inform national Arctic energy policy, and provide scientific information to help others understand, respond to, and mitigate impacts from natural hazards.

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Filter Total Items: 206
Date published: July 10, 2018
Status: Active

Remotely Sensed Discharge

River discharge is an important component of the water cycle, and an accurate accounting of streamflow can be accomplished by monitoring the spatial and temporal variations in river discharge. The U.S. Geological Survey is actively pursuing remote-sensing platforms to compute river discharge using a combination of satellite-, high altitude-, drone-, and fixed-based platforms to directly...

Date published: June 29, 2018
Status: Active

Walrus Media/Contacts

If you have questions about walrus research or media inquiries regarding the USGS Alaska Science Center please contact Yvette Gillies or Steven Sobieszczyk.

Date published: June 29, 2018
Status: Active

Polar Bear Media/Contacts

If you have questions about research or media inquiries regarding the USGS Alaska Science Center please contact Yvette Gillies or Paul Laustsen.

Date published: June 18, 2018
Status: Active

Glaciers and Climate Project

Scientists with the Glaciers and Climate Project study many of the pertinent impacts that glaciers present to society, such as altering hydrologic cycles, contributing to sea-level rise, and creating environmental hazards. 

Contacts: Louis Sass, III
Date published: June 18, 2018
Status: Completed

Mountain Permafrost, Climate Change, and Rock Avalanches in Glacier Bay National Park, Alaska

Release Date: JUNE 18, 2018

We usually hear about landslides and avalanches that are caused by large amounts of rainfall, the shaking from earthquakes, or a volcanic eruption, but we may be hearing more about avalanches caused by the (seemingly innocuous) melting of ice in the coming years.

Date published: June 18, 2018
Status: Active

Alaska Resource Data File

The Alaska Resource Data File (ARDF) site provides descriptions of mines, prospects, and mineral occurrences for individual U.S. Geological Survey 1:250,000-scale quadrangles in Alaska.

Date published: June 11, 2018
Status: Active

Alaska Databases and Information Analysis

We provide GIS and database support for Alaska-based research projects, including database design, data capture, and maintenance, GIS analysis and display, and production of datasets and metadata for publication and data releases.

Contacts: Nora B Shew
Date published: May 22, 2018
Status: Active

Tectonic and Metallogenic Evolution of the Yukon-Tanana Upland, Alaska

The Yukon-Tanana upland in eastern interior Alaska is a geologically complex block containing deposits of base-metal, platinum-group-element, and gold-silver-copper mineralization. It also hosts numerous mineral systems that are known or suspected to contain critical minerals.

Date published: May 22, 2018
Status: Active

Petrology, Tectonic Setting, and Potential for Concentration of Rare Earth Elements (REE) and High Field Strength Elements (HFSE) in the High-K Darby and Kachauik Plutons, Seward Peninsula, Alaska

One of the geologic environments that host rare earth and other critical and strategic element deposits are alkaline intrusive rocks.

Date published: May 22, 2018
Status: Completed

Metallogeny and Tectonics of the Lake Clark and Neacola Mountains Region, South-central Alaska

Alaska hosts a well-documented belt of ore deposits that lies roughly parallel to the Alaska Range, beginning at the Alaska Peninsula in the southwest, continuing up through the Fairbanks Mining District in the north, and curving back into the Tintina Gold Belt on its eastern end. Known mineral prospects and occurrences include porphyry copper, intrusion-related gold, volcanogenic massive...

Date published: May 22, 2018
Status: Active

GIS Prospectivity Analysis for Critical Minerals in Ore-Forming Systems in Alaska

Alaska is dominated by a history of tectonic events that foster mobilization and concentration of a wide variety of mineral commodities that are critical to the US economy and are vital to national defense, renewable-energy, and emerging electronics technologies.

Date published: May 18, 2018
Status: Active

High Priority Species for Avian Influenza in Alaska

In early 2006, an Alaska Interagency Avian Influenza Working Group was formed to develop a ranking matrix for selecting priority species to be sampled within Alaska. Most wild bird species with populations that utilize areas of both Alaska and Asia were identified and considered in the ranking exercise. Based on scoring criteria, 28 target species were chosen for sampling. Alaska is a...

Filter Total Items: 201
Date published: August 29, 2019

Geodetic Data for Juneau Icefield Glaciers: Orthophotos, Digital Elevation Models, and Glacier Boundaries

Since the 1940s, the Juneau Icefield Research Program (JIRP) has been measuring surface mass balance on the Juneau Icefield. This is the longest ongoing program of its kind in North America. The program nominally occurs between late June and late August, traversing between Juneau, Alaska and Atlin, British Columbia. JIRP has examined the surface mass balance of the Juneau Icefield sin

Date published: August 15, 2019

Carbon Isotope Concentrations in Stream Food Webs of the Arctic Network National Parks, Alaska, 2014-2016

This dataset includes information on the carbon samples that were collected from organic and mineral soils, streams, algae, invertebrates, and fish in the Arctic Network Parks.

Date published: July 31, 2019

Polar Bear Distribution and Habitat Resource Selection Data, Beaufort and Chukchi Seas, 1985-2016

These data from satellite radio-collared adult female polar bears captured in the southern Beaufort Sea, 1985-2016 were used for testing the regional, seasonal and decadal efficacy of retrospective polar bear resource selection functions (RSF) developed for the Arctic basin and its peripheral seas (see Durner et al. 2009). The data includes the following: 1) a csv file of location

Date published: July 31, 2019

Argos Satellite Tracking Data for Marbled Godwit (Limosa fedoa) - Raw Data

This metadata document describes the data contained in the "rawData" folder of this data package. This data package contains all data collected by the Argos System from nine satellite transmitters attached to Marbled Godwits on their breeding range in southwest Alaska, USA. Five data files are included in the "rawData" folder of this data package. Two data files (with identical conten

Date published: July 31, 2019

Argos Satellite Tracking Data for Marbled Godwit (Limosa fedoa) - Processed Data

This metadata document describes the data contained in the "processedData" folder of this data package. This data package contains all data collected by the Argos System from nine satellite transmitters attached to Marbled Godwits on their breeding range in southwest Alaska, USA. The raw data were processed to accomplish two goals: flag implausible location estimates and decode raw sensor

Date published: July 31, 2019

USGS Alaska Science Center Wildlife Tracking Data Collection

Understanding the short- and long-distance movements of wildlife is critical for a wide variety of ecological research studies and management decisions. Since the mid-1980s, the USGS Alaska Science Center has collected data from wildlife tracking devices to: determine locations of animals throughout their annual cycles, understand patterns of habitat use, quantify time spent on various be

Date published: July 16, 2019

High Altitude Weather Station Data at USGS Benchmark Glaciers

Since the late 1950s, the USGS has maintained a long-term glacier mass-balance program at three North American glaciers. Measurements began on South Cascade Glacier, WA in 1958, expanding to Gulkana and Wolverine glaciers, AK in 1966, and later Sperry Glacier, MT in 2005. Additional measurements have been made on Lemon Creek Glacier, AK to compliment data collected by the Juneau Ice

Date published: July 2, 2019

Sea Otter Aerial Survey Data from Glacier Bay National Park and Preserve, 1999-2012

The data package "Sea Otter Aerial Survey Data from Glacier Bay National Park and Preserve, 1999-2012" provides raw data for examining abundance and distribution of northern sea otters (Enhydra lutris kenyoni) in Glacier Bay National Park and Preserve in southeast Alaska, based on data collected during a series of population-wide aerial surveys. The USGS aerial sea otter surveys have

Date published: June 26, 2019

Weather Station Data on the Juneau Icefield

Since the 1940s, the Juneau Icefield Research Program (JIRP) has been measuring surface mass balance on the Juneau Icefield. This is the longest ongoing program of its kind in North America. The program nominally occurs between late June and late August, traversing between Juneau, Alaska and Atlin, British Columbia. JIRP has examined the surface mass balance of the Juneau Icefield sin

Date published: June 20, 2019

Sockeye Salmon (Oncorhynchus nerka) Body Condition and Water Temperature Along the Pilgrim River, Northwestern Alaska, 2013-2016

This data set is four tables with: 1) the body condition and egg counts of Sockeye Salmon captured at several sites along the Pilgrim River 2013-2016, 2) water temperature from 10 automated temperature dataloggers during the summers of 2013-2016, 3) results from an experiment to determine the effect of elevated water temperature on levels of Heat Shock Protein (HSP70) in captive j

Date published: June 18, 2019

Influenza A Antibodies in Pacific (Gavia pacifica), Red-throated (G. stellata), and Yellow-billed Loons (G. adamsii) in Alaska, 2008-2017

This data set contains three spreadsheets with results of Influenza A Virus (IAV) screening in blood from Pacific, Red-throated, and Yellow-billed Loons at three locations in Alaska. Loons were captured along the Beaufort Sea Coast, Chukchi Sea Coast, and Yukon-Kuskokwim Delta from 2008-2017. Three different tests were used and the results are presented in separate spreadsheets. All s

Filter Total Items: 136
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Year Published: 2005

Resource inventory of marine and estuarine fishes of the West Coast and Alaska: A checklist of North Pacific and Arctic Ocean species from Baja California to the Alaska - Yukon border

This is a comprehensive inventory of the fish species recorded in marine and estuarine waters between the Alaska–Yukon Territory border in the Beaufort Sea and Cabo San Lucas at the southern end of Baja California and out about 300 miles from shore. Our westernmost range includes the eastern Bering Sea and Aleutian Islands. In addition, we have...

Love, Milton S.; Mecklenburg, Catherine W.; Mecklenburg, T. Anthony; Thorsteinson, Lyman K.

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Year Published: 2004

Ichthyophoniasis: An emerging disease of Chinook salmon in the Yukon River

Before 1985, Ichthyophonus was unreported among Pacific salmon Oncorhynchus spp. from the Yukon River; now it infects more than 40% of returning adult Chinook salmon O. tshawytscha. Overall infection prevalence reached about 45% in the Yukon River and about 30% in the Tanana River between 1999 and 2003. Mean infection prevalence was greater in...

Kocan, R.; Hershberger, P.; Winton, J.

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Year Published: 2004

Surface rupture and slip distribution of the Denali and Totschunda faults in the 3 November 2002 M 7.9 earthquake, Alaska

The 3 November 2002 Denali fault, Alaska, earthquake resulted in 341 km of surface rupture on the Susitna Glacier, Denali, and Totschunda faults. The rupture proceeded from west to east and began with a 48-km-long break on the previously unknown Susitna Glacier thrust fault. Slip on this thrust averaged about 4 m (Crone et al., 2004). Next came...

Haeussler, Peter J.; Schwartz, David P.; Dawson, Timothy E.; Stenner, Heidi D.; Lienkaemper, James J.; Sherrod, Brian; Cinti, Francesca R.; Montone, Paola; Craw, Patricia; Crone, Anthony J.; Personius, Stephen F.
Surface rupture and slip distribution of the Denali and totschunda faults in the 3 November 2002 M 7.9 earthquake, Alaska; 2004; Article; Journal; Bulletin of the Seismological Society of America; Haeussler, P. J.; Schwartz, D. P.; Dawson, T. E.; Stenner, H. D.; Lienkaemper, J. J.; Sherrod, B.; Cinti, F. R.; Montone, P.; Craw, P. A.; Crone, A. J.; Personius, S. F.

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Year Published: 2000

Potential seismic hazards and tectonics of the upper Cook Inlet basin, Alaska, based on analysis of Pliocene and younger deformation

The Cook Inlet basin is a northeast-trending forearc basin above the Aleutian subduction zone in southern Alaska. Folds in Cook Inlet are complex, discontinuous structures with variable shape and vergence that probably developed by right-transpressional deformation on oblique-slip faults extending downward into Mesozoic basement beneath the...

Haeussler, Peter J.; Bruhn, Ronald L.; Pratt, Thomas L.
Potential seismic hazards and tectonics of the upper Cook Inlet basin, Alaska, based on analysis of Pliocene and younger deformation; 2000; Article; Journal; Bulletin of the Geological Society of America; Haeussler, P. J.; Bruhn, R. L.; Pratt, T. L.

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Year Published: 1990

National water summary 1987: Hydrologic events and water supply and use

Water use in the United States, as measured by freshwater withdrawals in 1985, averaged 338,000 Mgal/d (million gallons per day), which is enough water to cover the 48 conterminous States to a depth of about 2.4 inches. Only 92,300 Mgal/d, or 27.3 percent of the water withdrawn, was consumptive use and thus lost to immediate further use; the...

Carr, Jerry E.; Chase, Edith B.; Paulson, Richard W.; Moody, David W.
National water summary 1987: hydrologic events and water supply and use; 1990; WSP; 2350; Carr, Jerry E.; Chase, Edith B.; Paulson, Richard W.; Moody, David W.

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Year Published: 1977

Combined Ice and Water Balances of Maclure Glacier, California, South Cascade Glacier, Washington, and Wolverine and Gulkana Glaciers, Alaska, 1967 Hydrologic Year

Combined ice and water balances were measured in the 1967 hydrologic year (October 1-September 30) on four glaciers in western North America ranging in latitude from 37 deg to 63 deg N. This hydrologic year was characterized by heavier than normal winter precipitation in California and Washington and abnormally dry winter conditions in coastal...

Tangborn, Wendell V.; Mayo, Lawrence R.; Scully, David R.; Krimmel, Robert M.
Combined Ice and Water Balances of Maclure Glacier, California, South Cascade Glacier, Washington, and Wolverine and Gulkana Glaciers, Alaska, 1967 Hydrologic Year; 1977; PP; 715-B; Tangborn, Wendell V.; Mayo, Lawrence R.; Scully, David R.; Krimmel, Robert M.

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Year Published: 1971

Combined Ice and Water Balances of Gulkana and Wolverine Glaciers, Alaska, and South Cascade Glacier, Washington, 1965 and 1966 Hydrologic Years

Glaciers occur in northwestern North America between lat 37 deg and 69 deg N. in two major mountain systems. The Pacific Mountain System, near the west coast, receives large amounts of precipitation, has very mild temperatures, and contains perhaps 90 percent of the glacier ice. The Rocky Mountain or Eastern System, on the other hand, receives...

Meier, Mark Frederick; Tangborn, Wendell V.; Mayo, Lawrence R.; Post, Austin
Combined Ice and Water Balances of Gulkana and Wolverine Glaciers, Alaska, and South Cascade Glacier, Washington, 1965 and 1966 Hydrologic Years; 1971; PP; 715-A; Meier, Mark Frederick; Tangborn, Wendell V.; Mayo, Lawrence R.; Post, Austin

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Year Published: 1970

Effects of the earthquake of March 27, 1964, on the Alaska Railroad: Chapter D in The Alaska earthquake, March 27, 1964: effects on transportation, communications, and utilities

In the 1964 Alaska earthquake, the federally owned Alaska Railroad sustained damage of more than $35 million: 54 percent of the cost for port facilities; 25 percent, roadbed and track; 9 percent, buildings and utilities; 7 percent, bridges and culverts; and 5 percent, landslide removal. Principal causes of damage were: (1) landslides, landslide-...

McCulloch, David S.; Bonilla, Manuel G.
Effects of the earthquake of March 27, 1964, on the Alaska Railroad: Chapter D in The Alaska earthquake, March 27, 1964: effects on transportation, communications, and utilities; 1970; PP; 545-D; The Alaska earthquake, March 27, 1964: effects on transportation, communications, and utilities (Professional Paper 545); McCulloch, David S.; Bonilla, Manuel G.

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Year Published: 1970

The Alaska earthquake, March 27, 1964: lessons and conclusions

One of the greatest earthquakes of all time struck south-central Alaska on March 27, 1964. Strong motion lasted longer than for most recorded earthquakes, and more land surface was dislocated, vertically and horizontally, than by any known previous temblor. Never before were so many effects on earth processes and on the works of man available for...

Eckel, Edwin B.
The Alaska earthquake, March 27, 1964: lessons and conclusions; 1970; PP; 546; Eckel, Edwin B.

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Year Published: 1969

The Alaska earthquake, March 27, 1964: effects on communities

This is the second in a series of six reports that the U.S. Geological Survey published on the results of a comprehensive geologic study that began, as a reconnaissance survey, within 24 hours after the March 27, 1964, Magnitude 9.2 Great Alaska Earthquake and extended, as detailed investigations, through several field seasons. The 1964 Great...

Hansen, Wallace R.; Kachadoorian, Reuben; Coulter, Henry W.; Migliaccio, Ralph R.; Waller, Roger M.; Stanley, Kirk W.; Lemke, Richard W.; Plafker, George; Eckel, Edwin B.; Mayo, Lawrence R.
The Alaska earthquake, March 27, 1964: effects on communities; 1969; PP; 542; Hansen, Wallace R.; Kachadoorian, Reuben; Coulter, Henry W.; Migliaccio, Ralph R.; Waller, Roger M.; Stanley, Kirk W.; Lemke, Richard W.; Plafker, George; Eckel, Edwin B.; Mayo, Lawrence R.

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Year Published: 1969

Effects of the earthquake of March 27, 1964, on various communities: Chapter G in The Alaska earthquake, March 27, 1964: effects on communities

The 1964 earthquake caused wide-spread damage to inhabited places throughout more than 60,000 square miles of south-central Alaska. This report describes damage to all communities in the area except Anchorage, Whittier, Homer, Valdez, Seward, the communities of the Kodiak group of islands, and communities in the Copper River Basin; these were...

Plafker, George; Kachadoorian, Reuben; Eckel, Edwin B.; Mayo, Lawrence R.
Effects of the earthquake of March 27, 1964, on various communities: Chapter G in The Alaska earthquake, March 27, 1964: effects on communities; 1969; PP; 542-G; The Alaska earthquake, March 27, 1964: effects on communities (Professional Paper 542); Plafker, George; Kachadoorian, Reuben; Eckel, Edwin B.; Mayo, Lawrence R.

Filter Total Items: 1,086
Two Arctic cod (Boreogadus saida) captured along the Beaufort Sea coastline in Alaska
July 30, 2019

Two Arctic cod (Boreogadus saida) captured along the Beaufort Sea

Two Arctic cod (Boreogadus saida) captured along the Beaufort Sea coastline in Alaska. Arctic cod are the primary forage fish and a key prey item for predators in the Pacific Arctic.

ANSEP student Tatiana Korthuis recording data
July 29, 2019

ANSEP student Tatiana Korthuis recording data on USGS research vessel

Alaska Native Science and Engineering Program (ANSEP) student Tatiana Korthuis recording fish catch data on board the USGS research vessel Alaskan Gyre in Herring Bay, Alaska. This was part of a USGS study to monitor forage fish and seabirds in Prince William Sound, Alaska.

Canada goose (Branta canadensis), Anchorage, AK
July 27, 2019

Canada goose (Branta canadensis), Anchorage, AK

Canada goose (Branta canadensis), Anchorage, AK

Common Murre on the water in Kachemak Bay, Alaska
July 25, 2019

A Common Murre on the water near its colony in Kachemak Bay, Alaska

Northern Fulmars, Black-legged Kittiwakes, and Common Murres have all been tested for and contained harmful algal bloom (HAB) toxins in Alaska. Since 2015, the USGS has worked with a variety of stakeholders to develop testing methods and research projects to better understand the geographic extent, timing and impacts of algal toxins in Alaska marine ecosystems. For more

...
ANSEP student holds a red-throated loon
July 13, 2019

ANSEP student Jakob Sipary holds a red-throated loon, Alaska

Alaska Native Science and Engineering Program (ANSEP) student Jakob Sipary holds a red-throated loon on the Canning River Delta, Alaska, July 2019 as part of a USGS study on loon marine habitat use areas. Jakob was an intern for the summer with the U.S. Geological Survey.

Taku Glacier, Alaska retreat
July 9, 2019

Taku Glacier, Alaska retreat

2019 Juneau Icefield Research Program (JIRP) students during a four day and 83 kilometers ski traverse across Taku Glacier, carrying all their food, water, clothing, tents, and science gear as they help measure the mass balance along the way.

Central Arctic Herd caribou next to pipeline, North Slope of Alaska
June 29, 2019

Central Arctic Herd caribou within the Kuparuk oil field, Alaska

Central Arctic Herd caribou within the Kuparuk oil field on the North Slope of Alaska. The photo was taken during the summer mosquito harassment period. 

caribou crossing a road within the Kuparuk oil field, Alaska
June 29, 2019

Caribou crossing a road, within Kuparuk oil field, North Slope, Alaska

Central Arctic Herd - caribou crossing a road within the Kuparuk oil field on the North Slope of Alaska. The photo was taken during the summer mosquito harassment period. 

Kasilof River sonar on a bridge
June 28, 2019

Kasilof River sonar on a bridge

Kasilof River sonar on a bridge

Tazlina River bridge
June 28, 2019

Tazlina River bridge

Tazlina River bridge

A Common Murre holds a Pacific sand lance near Gull Island, Alaska
June 19, 2019

A Common Murre holds a Pacific sand lance near Gull Island in Alaska

Northern Fulmars, Black-legged Kittiwakes, and Common Murres have all been tested for and contained harmful algal bloom (HAB) toxins. Since 2015, the USGS has worked with a variety of stakeholders to develop testing methods and research projects to better understand the geographic extent, timing and impacts of algal toxins in Alaska marine ecosystems.

Beaver lodge and drained impoundment in tributary of the Noatak River, Noatak National Preserve
June 12, 2019

Beaver lodge and drained impoundment in tributary of the Noatak River

Beaver lodge and drained impoundment in tributary of the Noatak River, Noatak National Preserve

Filter Total Items: 280
On top of North America!
July 23, 2015

A team of four climbers has recently returned from the highest point in North America with new survey data to determine a more precise summit height of Mount McKinley. It is anticipated the new elevation finding will be announced in late August.

Image: U.S. Fish and Wildlife Service Vessel Seen Through Bird Flock
July 16, 2015

The U.S. Geological Survey today released the North Pacific Pelagic Seabird Database — a massive online resource compiling the results of 40 years of surveys by biologists from the United States, Canada, Japan and Russia. The database documents the abundance and distribution of 160 seabird and 41 marine mammal species over a 10 million-square-mile region of the North Pacific.

Image: Long-Range Radar Station and Landfill
July 1, 2015

ANCHORAGE, Alaska — In a new study published today, scientists from the U.S. Geological Survey found that the remote northern Alaska coast has some of the highest shoreline erosion rates in the world. Analyzing over half a century of shoreline change data, scientists found the pattern is extremely variable with most of the coast retreating at rates of more than 1 meter a year.

Polar Bear Ecoregions: In the Seasonal Ice Ecoregion
June 30, 2015

Greenhouse gas emissions remain the primary threat to the preservation of polar bear populations worldwide. This conclusion holds true under both a reduced greenhouse gas emission scenario that stabilizes climate warming and another scenario where emissions and warming continue at the current pace, according to updated U.S. Geological Survey research models.

Mount McKinley landscape
June 15, 2015

A new GPS survey of Mount McKinley, the highest point in North America, will update the commonly accepted elevation of McKinley’s peak, 20,320 ft. The last survey was completed in 1953.

Map of basement domains
April 23, 2015

A map showing the many different pieces of Earth’s crust that comprise the nation’s geologic basement is now available from the U.S. Geological Survey.

USGS
April 8, 2015

A new scientific synthesis suggests a gradual, prolonged release of greenhouse gases from permafrost soils in Arctic and sub-Arctic regions, which may afford society more time to adapt to environmental changes, say scientists in a paper published in Nature today. 

Image: Polar Bear at Rest
April 1, 2015

ANCHORAGE, Alaska — A team of scientists led by the U.S. Geological Survey found that polar bears, increasingly forced on shore due to sea ice loss, may be eating terrestrial foods including berries, birds and eggs, but any nutritional gains are limited to a few individuals and likely cannot compensate for lost opportunities to consume their traditional, lipid-rich prey—ice seals.

Illustration showing migratory bird paths across the Pacific
March 31, 2015

ANCHORAGE, Alaska — In a new study published today, scientists from the U.S. Geological Survey and U.S. Fish and Wildlife Service harnessed a new type of DNA technology to investigate avian influenza viruses in Alaska.

USGS
March 18, 2015

Frozen bodies of ice cover nearly 10 percent of the state of Alaska, but the influence of glaciers on the environment, tourism, fisheries, hydropower, and other important Alaska resources is rarely discussed.