22Feb2016 03:09:56 Z
The left sound channel is horizontal acceleration. The right: vertical. The video shows the vertical and horizontal axes correctly.
The video runs at 36 times real time speed.
This is a magnitude 5, 8km deep, earthquake, 30 km south-east of Seddon
It was recorded about 132km distant in Kapiti, New Zealand.
The S wave arrives about 21 seconds after the P wave.
132km / 21 seconds = 6.3km per second of PS difference.
Turn it up.