Today marks two-years since the magnitude 7.8 earthquake - the second biggest in New Zealand's recorded history - devastated the Kaikoura and Hurunui regions.
GNS scientists say they're learning as much as possible about how the landscape works - with vertical land displacements of up to five-metres.
They've mapped 24-thousand of the most significant landslides, using combinations of photos and satellite and radar images before and after the quakes.
The largest individual landslide blocked the Hapuku River, with 12-million cubic metres of hillside collapsing into the river and forming a new lake 400-metres long, 100-metres wide and 35-metres deep.
