05Jan2017 11:17:33 Z
The left sound channel is horizontal acceleration. The right: vertical. The video shows the vertical and horizontal axes correctly.
The video runs at 21 times real time speed.
This is a magnitude 5.3, 13km deep, earthquake, 20 km south-west of Seddon
It was recorded about 140km distant in Kapiti, New Zealand.
The S wave arrives about 18.6 seconds after the P wave.
140km / 18.6 seconds = 7.5km per second of PS difference.
Turn it up.