AVO geologist, Jessica Larsen (UAF/GI), collecting a GPS ground control point on the rim of Cone B, inside Okmok caldera. Ahmanilix, the new tuff cone formed during the 2008 eruption, is the flat-topped dark feature on the opposite side of the caldera, upper left on the image. View is to the southeast.
Image courtesy of the AVO/ADGGS.
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