2Prince William Sound, Alaska, 1964 — Magnitude 9.2

Alaska’s magnitude 9.2 earthquake struck Prince William Sound on March 27, 1964, local time. Strong shaking lasted about 4.5 minutes.

Landslides damaged Anchorage, while tsunamis devastated coastal areas. Known as the Good Friday earthquake, it remains the strongest earthquake recorded in the United States and the second largest recorded worldwide.