 |
Eruption |
 |
Questionable eruption |
 |
Non-eruptive activity |
|
Eruption |
|
Questionable eruption |
|
Non-eruptive activity |
2021: Great Sitkin 2021/05
2020: Great Sitkin activity 2020
2019: Great Sitkin 2019 activity
2018: Great Sitkin phreatic 2018
2017: Great Sitkin 2016/7
2013: Great Sitkin 2013/7
2002: Great Sitkin 2002/5
2001: Great Sitkin 2001/2
1987: Great Sitkin 1987/3
1974: Great Sitkin 1974/2
1953: Great Sitkin 1953/5
1951: Great Sitkin 1951
1950: Great Sitkin 1950/11
1949: Great Sitkin 1949/12
1946: Great Sitkin 1946/8
1945: Great Sitkin 1945/3
1933: Great Sitkin 1933/11
1904: Great Sitkin 1904
1829: Great Sitkin 1829
1818: Great Sitkin 1818/7
1792: Great Sitkin 1792/5
1784: Great Sitkin 1784
1767: Great Sitkin 1767
1760: Great Sitkin 1760
1750: Great Sitkin Forty Year Ash
280 yBP: Great Sitkin 280 yBP
700 yBP: Great Sitkin 700 yBP
1300 yBP: Great Sitkin 1300 yBP
3700 yBP: Great Sitkin 3700 yBP
4000 yBP: Great Sitkin 4000 yBP
6600 yBP: Great Sitkin 6600 yBP
7600 yBP: Great Sitkin 7600 yBP
8900 yBP: Great Sitkin 8900 yBP