On March 27, 1964, at 5:36 p.m. local time, the ground below southern Alaska ruptured with unprecedented force. Measuring 9.2 on the moment magnitude scale, the Great Alaska Earthquake was the most ...
Add Yahoo as a preferred source to see more of our stories on Google. A tsunami evacuation sign is posted near the Marina Green in San Francisco on July 30, 2025. (Justin Sullivan / Getty Images) It ...