A model for syn-eruptive groundwater flow during the phreatoplinian phase of the 28-29 March 1875 Askja volcano eruption, Iceland

• Published in: Journal of Volcanology and Geothermal Research
• Main Authors: Lupi, M, Geiger, S, Carey, RJ, Thordarson, T, Houghton, BF
• Format: Article in Journal/Newspaper
• Language: English
• Published: Elsevier 2011
• Subjects: Earth Sciences; Geology; Volcanology; Askja; Iceland
• Online Access: https://doi.org/10.1016/j.jvolgeores.2011.04.009; http://ecite.utas.edu.au/84405

We present a groundwater flow model that integrates geological observations, field data, effective permeabilities for fractured lava flows, and historical eyewitness records to explain the change from wet to dry explosive activity that occurred in March 1875 at Askja volcano, Iceland. This rhyodacit...