New flood and landslide maps hone in on natural hazards

A landslide at Maungatapu, Tauranga in January 2023. (Image: Cameron Avery/NZME)

Thu, 30 Oct 2025

As the climate warms, the most dramatic effects are expected to come from flash flooding. Auckland’s 2023 anniversary weekend floods followed intense rainfall; 211mm in under six hours was measured. With the rainfall came landslides, triggering thousands across the region.It’s more important than ever that homeowners and buyers have access to some of the data insurers already have at their fingertips.Two of New Zealand’s crown research institutes have spent years working on new maps showing the risks to land and property from...

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