A couple of general media press articles covering the Kaikoura earthquake and the world record peak ground accelerations recorded by a CSI CUSP-3C

Both articles provide a very interesting insight into the complex nature of this quake, and the world record peak ground acceleration recorded by the CSI CUPS-3C instrument at GeoNet station WTMC.   

The NZ Herald


Also a very interesting video, which shows very clearly the phenomenon of directivity.

Youtube - simulation of the Kaikoura EQ