|Start:||November 27, 1921 ||Observed|
|Discredited account - no eruption: ||
|Eruption Type:||Not an eruption.|
Coats (1950) reports minor explosive eruptions at Katmai on November 27, 1921. However, Hildreth (1983) states: "Published compilations notwithstanding, there are no credible reports of historic eruptions in the Katmai group except at Novarupta in 1912 and at Trident in 1953 - 1968."