Ground deformation after a caldera collapse: Contributions of magma inflow and viscoelastic response to the 2015-2018 deformation field around Bárðarbunga, Iceland

Siqi Li1, Freysteinn Sigmundsson1, Vincent Drouin2, Michelle Parks3, Benedikt Ofeigsson3, Ronni Grapenthin4, Halldor Geirsson1 and Andrew J Hooper5, (1)University of Iceland, Nordic Volcanological Center, Institute of Earth Sciences, Reykjavik, Iceland, (2)Iceland GeoSurvey, Reykjavik, Iceland, (3)Icelandic Meteorological Office, Reykjavik, Iceland, (4)University of Alaska Fairbanks, Geophysical Institute, Fairbanks, AK, United States, (5)University of Leeds, COMET, School Earth and Environment, Leeds, United Kingdom