Closing crack earthquakes within the Krafla caldera, North Iceland

• Main Authors: Mildon, ZK, Pugh, DJ, Tarasewicz, J, White, RS, Brandsdottir, B
• Format: Article in Journal/Newspaper
• Language: English
• Published: Wiley-Blackwell 2016
• Subjects: Hydrothermal systems; Earthquake source observations; Volcano seismology; Krafla; Iceland
• Online Access: https://discovery.ucl.ac.uk/id/eprint/1515849/7/mildon_Geophys.%20J.%20Int.-2016-Mildon-1137-41.pdf; https://discovery.ucl.ac.uk/id/eprint/1515849/

Moment tensor analysis with a Bayesian approach was used to analyse a non-double-couple (non-DC) earthquake (Mw ∼ 1) with a high isotropic (implosive) component within the Krafla caldera, Iceland. We deduce that the earthquake was generated by a closing crack at depth. The event is well located, wit...