Damage to building from seismic vibrations. The Alaska Sales and Service building in Anchorage, which was under construction, partially collapsed during the earthquake. The building was constructed of pre-cast and pre-stressed concrete roof "T"s which rested on pre-cast reinforced-concrete T-columns, and it had pre-cast reinforced-concrete walls.
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The Alaska Sales and Service building
Damage to building from seismic vibrations. The Alaska Sales and Service building in Anchorage, which was under construction, partially collapsed during the earthquake. The building was constructed of pre-cast and pre-stressed concrete roof "T"s which rested on pre-cast reinforced-concrete T-columns, and it had pre-cast reinforced-concrete walls.
The Four Seasons Apartments, Anchorage, Alaska
The Four Seasons Apartments in Anchorage was a six-story lift-slab reinforced concrete building which crashed to the ground during the earthquake. The building was under construction, but structurally completed, at the time of the earthquake.
The Four Seasons Apartments in Anchorage was a six-story lift-slab reinforced concrete building which crashed to the ground during the earthquake. The building was under construction, but structurally completed, at the time of the earthquake.
Landslides and damage, Anchorage District
Destructive landslides and damage in Anchorage: graben at the head of the L Street landslide.
Anchorage District, Cook Inlet Region, Alaska, 1964.
Photo by A. Grantz.
Published in U. S.Geological Survey. Circular 491, Figures 18A & 18B, p.31. 1964.
Destructive landslides and damage in Anchorage: graben at the head of the L Street landslide.
Anchorage District, Cook Inlet Region, Alaska, 1964.
Photo by A. Grantz.
Published in U. S.Geological Survey. Circular 491, Figures 18A & 18B, p.31. 1964.
Ruptured fuel tank, Alaska Native Hospital
Close-up of the compressional buckle, the ruptured fuel tank, and the revetment at the foot of the landslide near the Alaska Native Hospital in Anchorage.
Close-up of the compressional buckle, the ruptured fuel tank, and the revetment at the foot of the landslide near the Alaska Native Hospital in Anchorage.
Native Hospital landslide in Anchorage District, Cook Inlet Region, Alaska
Native Hospital landslide in Anchorage, showing graben and pressure ridge. The scar of an older landslide is transected by the slide of March 27.
Native Hospital landslide in Anchorage, showing graben and pressure ridge. The scar of an older landslide is transected by the slide of March 27.
L street slide annotated
Annotated photo of ake00346. Album caption: A subsidence trough (or graben) formed at the head of the "L" Street landslide in Anchorage during the earthquake. The slide block, which is the virtually unbroken ground tot he left of graben, moved to the left. The subsidence trough sank 7 to 10 feet in response to 11 feet of horizontal movement of the slide block.
Annotated photo of ake00346. Album caption: A subsidence trough (or graben) formed at the head of the "L" Street landslide in Anchorage during the earthquake. The slide block, which is the virtually unbroken ground tot he left of graben, moved to the left. The subsidence trough sank 7 to 10 feet in response to 11 feet of horizontal movement of the slide block.
Fairweather fault 1958
Low-level oblique aerial view of Fairweather fault. Photo taken east of North Dome, looking northwest, August 26, 1958.
Low-level oblique aerial view of Fairweather fault. Photo taken east of North Dome, looking northwest, August 26, 1958.
A raft of sea otters, Alaska
A raft of sea otters near Cohen Island in Kachemak Bay, Alaska. Sea otters rest together in groups called rafts. A raft can generally contain 10 to 100 sea otters. You will see either all male or all female with pups rafts.
A raft of sea otters near Cohen Island in Kachemak Bay, Alaska. Sea otters rest together in groups called rafts. A raft can generally contain 10 to 100 sea otters. You will see either all male or all female with pups rafts.
Emily Reynolds watching sea otters through a spotting scope
Emily Reynolds, a graduate student, looks through a spotting scope. The student is watching sea otters in Kachemak Bay forage. USGS researchers spend hundreds of hours annually observing sea otter foraging behavior to document prey composition and energy recovery rates.
Emily Reynolds, a graduate student, looks through a spotting scope. The student is watching sea otters in Kachemak Bay forage. USGS researchers spend hundreds of hours annually observing sea otter foraging behavior to document prey composition and energy recovery rates.