The Challenges of Seismically Induced Vertical Land Motion on Tide Gauge Records and Coastal Hazard

Paul H Denys1, Sigrun Hreinsdottir2, Robert Bell3, John Hannah4 and Chris Ferens Pearson1, (1)University of Otago, National School of Surveying, Dunedin, New Zealand, (2)GNS Science, Lower Hutt, New Zealand, (3)National Institute of Water and Atmospheric Research, Wellington, New Zealand, (4)Vision NZ Ltd, Dunedin, New Zealand