Live chat: GNS earthquake experts Dr John Ristau and Dr Natalie Balfour
GNS Science experts are here to answer your earthquake-related questions following the spate of deadly shakes across the globe.
GNS duty seismologist Dr John Ristau and science operation specialist Dr Natalie Balfour will explain the science behind the earthquakes.
Send in your questions in the box below. We'll be kicking off at 1.45pm.
* Strong earthquake hits near Ecuador, death toll rises
* 'Race against time' to find survivors after Japan earthquakes
* Earthquake with preliminary reading of 6.1 strikes southeast of Tonga - USGS