Semisopochnoi reported activity

Event Name : Kanaga T3

Start: 6000

Years BP C-14 (raw)

Tephrafall:

Description: From Coombs and others (2017): "Although thorough tephrostratigraphic work has not been conducted on other Aleutian islands to the east, such as Tanaga or Gareloi, a study of Holocene volcanic stratigraphy shows a ~6,000 14C yr B.P. silt- to sand-sized tephra called T3, located 220 km to the east on Kanaga that is a possible candidate for a Semisopochnoi source (Waythomas and others, 2003)."