Lahar
North Island quake could trigger Ruapehu lahar
25 Jun 2018
A very large earthquake in the central North Island could trigger a big lahar from Mt Ruapehu. In the recent past it's been eruptions that have led to lahars on the mountain. But scientists from… Audio
Volcanic Eruption Detection System on Mount Ruapehu
11 Sep 2014
The eruption detection system on Mount Ruapehu is designed to quickly warn people on the Whakapapa ski field to move to high ground out of the path of dangerous lahars Audio