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. |
The steel trusses of the Copper River and Northwestern Railroad bridge near Round Island were shifted from one-third to two-thirds meter. This view shows one of the displaced trusses, which pounded against an adjacent steel girder span. The girder span was moved to the right, its concrete pedestal was rotated, and the girder span almost fell into the river. Note the shortening indicated by buckling of the guard rail. 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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