The Largest Earthquake In U.S. History Happened 50 Years Ago Today

The Largest Earthquake In U.S. History Happened 50 Years Ago Today

At 5:42 a.m. on March 27, 1964, a 9.2-magnitude earthquake erupted 78 miles east of Anchorage, Alaska. The earthquake remains the most powerful earthquake to strike North America, and the second-largest earthquake ever measured.

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