A 100-kilometre long array of earthquake sensors on the Raukumara Peninsula will help scientists build a clearer picture of New Zealand’s most dangerous fault line.

An underwater remotely operated vehicle (ROV) called Jason is helping an international team of scientists study the Hikurangi subduction zone, where the Pacific Plate dives down beneath the east coast of the North Island.

A bouncing concrete foundation in a farm implement shed has been found to be the reason for an anomalously high ground-shaking recording made during the magnitude 7.8 Kaikōura earthquake in November 2016.