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

• Main Authors: Lupi, M, Geiger, S, Rebecca Carey, Thordarson, T, Houghton, BF
• Format: Article in Journal/Newspaper
• Language: unknown
• Published: 2011
• Subjects: Volcanology; phreatoplinian eruption; numerical simulations; modelling; permeability up-scaling; effective permeability; fractured lava flows; Askja; Iceland
• Online Access: https://figshare.com/articles/journal_contribution/A_model_for_syn-eruptive_groundwater_flow_during_the_phreatoplinian_phase_of_the_28-29_March_1875_Askja_volcano_eruption_Iceland/22900400

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...