Live chat: GNS scientist Kelvin Berryman
On the eve of the Christchurch earthquake anniversary, GNS Science earthquake expert Kelvin Berryman joins us at midday to answer your questions.
Ask an Expert: Canterbury Faults 'quite strong"
Kiwi scientists join petition against "ridiculous" trial over failure to predict deadly Italian earthquake.
+ Scientists on trial
LATEST: Seven scientists are on trial for allegedly failing to warn of a devastating quake in Italy.