The drowned valleys of the Marlborough Sounds drowned a little more in the Kaikoura earthquake.
Photo: RNZ / Tracy Neal
GPS monitoring shows some parts of the sounds dropped by up to three centimetres in the 2016 quake. That fits with what locals have already been noticing - they're seeing spring tides that are slightly higher, and wharves and jetties now lower in the sea.
Photo: RNZ / Tracy Neal
Our Nelson Marlborough reporter Tracy Neal takes a look at what's going on.