Question: What was the most powerful earthquake recorded in the U.S.?
Answer: Prince William Sound Alaska (March 28, 1964) — 9.2. The Great Alaska earthquake, or the Good Friday Earthquake as it’s also called, was the most powerful earthquake to have occurred in the United States, and the second most powerful earthquake on record in the world. It hit March 27, 1964, at 5:36 local time.
