This is a questionable event. Description:
|Start:||December 1927 ||Observed|
|Fumarolic or hydrothermal activity: ||
Jaggar (1927) writes that Gareloi is "always fuming." and Jaggar (1928) writes that he visited Gareloi and Bogoslof volcanoes and that Gareloi was "sending up dense yellow fumes from its summit crater-cup."