Large, Moderate or Small? The Challenge of Measuring Mass Eruption Rates in Volcanic Eruptions

Magnus Tumi Gudmundsson1, Tobias Dürig2, Thordis Hognadottir2, Armann Hoskuldsson2, Halldor Bjornsson3, Sara Barsotti4, Gudrun Nina Petersen3, Thor Thordarson5, Gro B. M. Pedersen2 and Morten S Riishuus1, (1)University of Iceland, Nordic Volcanological Center, Institute of Earth Sciences, Reykjavik, Iceland, (2)University of Iceland, Institute of Earth Sciences, Reykjavik, Iceland, (3)Icelandic Met Office, Reykjavik, Iceland, (4)Icelandic Meteorological Office, Reykjavik, Iceland, (5)University of Iceland, Faculty of Earth Sciences, Reykjavik, Iceland