Eruption
Questionable eruption
Non-eruptive activity - Aniakchak 1931/5 - Aniakchak 1942 - Aniakchak 1951/6 - Aniakchak 2004/12 - Aniakchak 2008/3 - Aniakchak 2009/2 - Aniakchak 2010/1 - Aniakchak 2010/8 - Aniakchak 2016 regional earthquake Eruption Questionable eruption Non-eruptive activity - Aniakchak Tephra D/Pleistocene - Aniakchak Precaldera Dacite - Aniakchak Precaldera Rhyodacite - Aniakchak CFE I - Aniakchak Precaldera Pyroclastic - Aniakchak Black Nose Pumice - Aniakchak Pre-Black Nose Pumice - Aniakchak ECR-162 Tephra - Aniakchak CFE II - Aniakchak Vent Mountain Lava Flows - Aniakchak Postcaldera Subaqueous Domes - Aniakchak Caldera Lake Drain - Aniakchak Tuff Cones - Aniakchak Vent Mountain Tephra - Aniakchak Half Cone Lower Pumice - Aniakchak Half Cone Upper Pumice - Aniakchak Blocky Cone - Aniakchak New Cone Tephra - Aniakchak Vent Mountain lava and tephra - Aniakchak Cobweb Lava Flow - Aniakchak Post Pink and Brown Pumice Tephrafall - Aniakchak Half Cone Pink and Brown PumiceThis 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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