Images

Eklutna Lake dam appeared to be undamaged the day after the earthquake; overflights of the lake showed no landslides impacted the lake shoreline.

Slumping along the Alaska Railroad right-of-way evolved into long-runout landslides. The same area failed in earthquakes in 1954 and 1964.

2018 Anchorage Earthquake

Endicott Island, and artificial island built in 1987 by Alaska Interstate Construction and is used by BP and Hilcorp Alaska for petroleum production.

Tanana River at Big Delta bridge

Tanana River at Big Delta sonar and debris on a bridge

Satellite image of Taku Glacier in October 1, 2018. The Norris Glacier can be seen on the lower left hand corner and the Hole-in-the-Wall Glacier in the upper center portion of the image. Citation: McNeil, C. J., and Baker, E.

USGS oceanographer Shawn Harrison stands on the coastal bluff of Barter Island, Alaska at sunset. Shawn and his fellow researchers are studying how the highly erosive bluff changes under the varied conditions experienced by this stretch of coastline.

Unalakleet village on the low-lying barrier spit at the inlet of the Unalakleet River and Norton Sound, Alaska.

Twentymile River sonar on a bridge

Scientific crew and drone operators. Left to right: Richard Kolyer (NASA), Jack McFarland (USGS), Kristen Manies (USGS), and Jonas Jonsson (NASA)

A Glaucous-winged Gull on the rock floor of the Bogoslof Volcano a year after it explosively erupted.

Knik River sonar on a bridge

A Glaucous-winged Gull on the rock floor of the Bogoslof Volcano a year after it explosively erupted.

Looking up at a drone hovering near an open-path methane analyzer mounted on a flux tower. Instruments mounted on both the towers and on the drones are measuring gases emitted from the soil.

Alaska Native Science and Engineer Program (ANSEP) student and USGS intern Parker Pickett on the Colville River Delta, Alaska, helping to band molting snow geese and black brant.

Before and after views of Kasatochi Volcano's eruption of 2008

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.

A Northern Fulmar on the water offshore of Anchor Point, Cook Inlet on July 18, 2018.

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.

Landsat sensor technology has come a long way since the days of the Return Beam Vidicon cameras on the first three Landsat satellites. Known as the RBV, it was originally intended to be the satellites’ primary sensor. But the Multispectral Scanner, or MSS, became the more stable and superior instrument.

USGS oceanographer Shawn Harrison poses in front of the USGS video camera installation atop the coastal bluff of Barter Island in northern Alaska.