Eruption
Questionable eruption
Non-eruptive activity - Okmok 1805 - Okmok 1817/3 - Okmok 1824 - Okmok 1878 - Okmok 1899 - Okmok 1931/3 - Okmok 1935/12 - Okmok 1936 - Okmok 1938/7 - Cone A 1943/6 - Cone A 1945/6 - Cone A 1953/3 - Cone A 1958/8 - Cone A 1960/10 - Cone A 1981/3 - Cone A 1983/7 - Cone A 1986/11 - Cone A 1997/2 - Okmok 2001/5 - Ahmanilix 2008/7 - Okmok 2009/3 - Okmok 2013/3 Eruption Questionable eruption Non-eruptive activity - Okmok 2100000 yBP - Okmok 1700000 yBP - Okmok SR4 tephra - Okmok Middle Scoria - Okmok 12000 yBP - Okmok CFE I - Okmok 8250 yBP - Okmok CFE II - Okmok 2000 yBP - Okmok 2000 yBP - Okmok 1500 yBP - Okmok 400 yBPThis website is supported by the U.S. Geological Survey under Cooperative Agreement Grant G19AC00060 and G19AC00171.
Mention of trade names or commercial products does not constitute their endorsement by the U.S. Geological Survey.
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