Lori Aznive Berberian¹, Darren Jon Larsen², Ian Van Dusen¹, Aslaug Geirsdottir³, Thor Thordarson⁴ and Gifford H Miller⁵, (1)Occidental College, Geology, Los Angeles, CA, United States, (2)Occidental College, Department of Geology, Los Angeles, CA, United States, (3)University of Iceland, Faculty of Earth Sciences, Reykjavik, Iceland, (4)University of Iceland, Nordic Volcanological Center, Institute of Earth Sciences, Reykjavik, Iceland, (5)University of Colorado, INSTAAR and Geological Sciences, Boulder, United States