On March 9, 1957, the Andreanof Islands, Alaska, felt a 9.1 temblor. You may like ... The largest earthquake ever measured globally - a magnitude 9.5 in Chile - was on May 22, 1960.

Andreanof Islands, Alaska. The Andreanof Islands earthquake in Alaska, US, took place on March 9, 1957. The intensity was measured at 8.6 on the Richter scale.