Earthquakes can change the course of rivers—with devastating results. We may now be able to predict these threats
Photographs taken the day after, and five years following, the 2016 Kaikōura earthquake, show how the landscape has changed. Credit: Erin McEwan
New Zealand's 2016 Kaikōura earthquake stopped the Waiau Toa—also known as the Clarence River—in its course. Within hours, the river flooded outside its channel and changed course. In the seven years since the magnitude 7.8 earthquake, the river has completely abandoned the path it…