Photointerpretation of Alaskan post-earthquake photography
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Abstract
Aerial photographs taken after the March 27, 1964, Good Friday, Alaskan earthquake were examined stereoscopically to determine effects of the earthquake in areas remote from the towns, highways, and the railroad. The two thousand black and white photographs used in this study were taking in April, after the earthquake, by the U. S. Coast & Geodetic Survey and were generously supplied to the U. S. Geological Survey. Part of the photographs, at a scale of 1/24,000, provide blanket coverage of approximately 2,000 square miles of land area north and west of Prince William Sound, including parts of the mainland and some of the adjacent islands. The epicenter of the earthquake, near the head of Unakwik Inlet, is located in this area. The rest of the photographs, at scales ranging from 1/17,000 to 1/40,000, cover isolated strips of the coastline of the mainland and nearby islands in the general area of Prince William Sound.
Figure 1 shows the area of new photo coverage used in this study. The objective of the study was to determine quickly whether geological features resulting from the earthquake, such as faults, changes in shoreline, cracks in surficial material, pressure ridges in lake ice, fractures in glaciers and lake ice, and rock slides and avalanches, might be identifiable by photointerpretation. The study was made without benefit of comparisons with older, or pre-earthquake photography, which was not readily available for immediate use.
Study Area
| Publication type | Article |
|---|---|
| Publication Subtype | Journal Article |
| Title | Photointerpretation of Alaskan post-earthquake photography |
| Series title | Photogrammetric Engineering |
| Volume | 31 |
| Issue | 4 |
| Year Published | 1965 |
| Language | English |
| Publisher | American Society of Photogrammetry |
| Publisher location | Falls Church, VA |
| Contributing office(s) | Earth Resources Observation and Science (EROS) Center |
| Description | 7 p. |
| First page | 604 |
| Last page | 610 |
| Country | United States |
| State | Alaska |
| Google Analytic Metrics | Metrics page |