1. Department of Civil and Natural Resource Engineering, University of Canterbury, Private Bag 4800, Christchurch 8014, New Zealand, brendon.bradley@canterbury.ac.nz
2. Department of Civil and Environmental Engineering, University of Auckland, Private Bag 92019, Auckland 1142, New Zealand
3. Tectonophysics Department, GNS Science, P.O. Box 30‐369, Lower Hutt 5040, New Zealand
4. Department of Civil, Architectural and Environmental Engineering, The University of Texas at Austin, Austin, Texas 78712
5. QuakeCoRE, University of Canterbury, Private Bag 4800, Christchurch 8014, New Zealand