Intense Seismicity During the 2014–2015 Bárðarbunga-Holuhraun Rifting Event, Iceland, Reveals the Nature of Dike-Induced Earthquakes and Caldera Collapse Mechanisms

Thorbjorg Agustsdottir1, Tom Winder2, Jennifer Woods2, Robert S White2, Tim Greenfield2 and Bryndís Brandsdóttir3, (1)Iceland GeoSurvey, Reykjavik, Iceland, (2)University of Cambridge, Cambridge, United Kingdom, (3)Science Institute, University of Iceland, Nordic Volcanological Center, Institute of Earth Sciences, Reykjavik, Iceland