Seismology: Shaken Earth

As they viewed their shattered homes and the gaping fissures in their streets on Good Friday 1964, Alaskans suspected that they had survived one of the most violent earthquakes in history. Now, after three years of soundings and surveys, scientists of the Environmental Sciences Services Administration have compiled dramatic evidence to illustrate just how powerful the Alaska quake really was. In a detailed study, they report that it lowered mountains, raised sea beds, and made an impact halfway around the world.

Mountains on Kodiak Island and on the Kenai Peninsula near Anchorage subsided 7...

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