Copyright Information: All images are in the public domain and available for free. If you use this image, credit NOAA/NGDC, U.S. Geological Survey. |
A close-up of one of the scarps bounding the graben on the "L" Street landslide showing a house which was undercut by subsidence of the graben. The "L" Street slide began to move near the end of the tremor. It was a horizontal translatory slide and probably failed in sand layers or in soft sensitive clay in the area from Anchorage's Fifth Avenue South. Image Credit: U.S. Geological Survey March 28, 1964 Prince William Sound USA earthquake and tsunami The earthquake was one of the largest earthquakes ever recorded on the North American Continent. It was a magnitude 8.4 earthquake, felt over 500,000 square miles. This great earthquake and ensuing tsunami took 125 lives (tsunami 110, earthquake 15). Event Data:
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