Press Release – Hurunui District Council Tsunamis may one day hit our North Canterbury coastline. Theres no need to live in fear, but there is a need to prepare. Last year Environment Canterbury commissioned GNS Science to model impacts of various tsunami scenarios for coastal areas throughout … Tsunamis may one day hit our North Canterbury coastline. There’s no need to live in fear, but there is a need to prepare. Last year Environment Canterbury commissioned GNS Science to model impacts of various tsunami scenarios for coastal areas throughout the region. Subsequently, it has revised and re-modelled some Tsunami Evacuation Zones, which includes Hurunui district.