On 1 July 2025, NIWA merged with GNS Science to become Earth Sciences New Zealand.

Sediment-sampling-TESMaP

NIWA-Nippon Foundation TESMaP / Rebekah Parsons-King

Dr Sarah Seabrook (right) helps colleagues Dr Erica Spain, Dr Malcolm Clark and Diana Macpherson recover underwater core samples. The samples showed violent pyroclastic flows swept out more than 80km across the seafloor.