18Feb2018 07:43:48 Z
The left sound channel is horizontal acceleration. The right: vertical. The video shows the vertical and horizontal axes correctly.
The video runs at 14 times real time speed.
This is a magnitude 5.2, 21.4km deep, earthquake, 20km west of Waipukurau
It was recorded about 148km distant in Kapiti, New Zealand.
The S wave arrives about 17.2 seconds after the P wave.
148km / 17.2 seconds = 8.6km per second of PS difference.
Turn it up.