Images

Map of southern Alaska showing the epicenter of the 1964 Alaska Earthquake (red star).

U.S. Geological Survey offices in Glenn Olds Hall on the Alaska Pacific University. Photo taken from across University Lake.

The old Kennecott copper mill in the winter.  Kennecott was once a thriving mine and mill during the early 1900s. The mines are 5 miles up the mountain.

Cackling goose (Branta hutchinsii) on the Colville River Delta. Photo by Ryan Askren, USGS.

In these two images, top from 1964 (W.R. Hansen, USGS) and bottom from November 18, 2013 (Game McGimsey, AVO/USGS), note how the general shape and trend of the 1964 subsidence trough, or graben, is still visible nearly 50 years later.

In these two images, top from 1964 (W.R. Hansen, USGS) and bottom from November 18, 2013 (Game McGimsey, AVO/USGS). Note how the general shape and trend of the 1964 subsidence trough, or graben, is still visible nearly 50 years later.

A mated pair of Common Eider swim across a lake in northern Alaska.

Photography by Jeff Wasley.

Lindsay VanSomeren (graduate student at University of Alaska Fairbanks) collects forage samples in the foothills of the Brooks Range off the Dalton Highway, North Slope of Alaska.

Walruses are very social animals and like to be in constant contact with other walruses. Photo taken during USGS research efforts permitted under US Fish and Wildlife Service Permit No. MA801652-3

Walrus bellowing while on shore in 2013 in the Eastern Chukchi Sea.

Walruses gathered by the tens of thousands in September 2013 to rest on the shores of the Chukchi Sea near the coastal village of Point Lay, Alaska.

Walruses gathered by the tens of thousands in September 2013 to rest on the shores of the Chukchi Sea near the coastal village of Point Lay, Alaska.

Walruses gathered by the tens of thousands in September 2013 to rest on the shores of the Chukchi Sea near the coastal village of Point Lay, Alaska.

Flooding encroaches on trees, Exit Creek.

Exit Creek flooding across the road

Lowe River Flood outside of Valdez, Alaska

Red-faced Cormorant flying over the Aleutian Islands in 2013.

Glaucous-winged Gull flying near the Aleutian Islands, Alaska

Scenic sunrise over a lake at the Chipp South research camp on the north slope of Alaska.

In the Fox Islands of Alaska, Driftwood Bay on Umnak Island faces the deep-sea trench formed by the Alaska-Aleutian subduction zone.

A handful of adult ninespine stickleback ready to be measured for total body length. These fish are ubiquitous in freshwater habitats of the Arctic Coastal Plain, outnumbering other fish species by as many as 800 individuals to one.