23Jun2017 17:49:39 Z
The left sound channel is horizontal acceleration. The right: vertical. The video shows the vertical and horizontal axes correctly.
The video runs at 6 times real time speed.
This is a magnitude 3.8, 39km deep, earthquake, 15 km north-west of Wellington
It was recorded about 50km distant in Kapiti, New Zealand.
The S wave arrives about 6.4 seconds after the P wave.
50km / 6.4 seconds = 7.8km per second of PS difference.
Turn it up.