12Sep2016 00:01:12 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 3.4, 24km deep, earthquake, 15 km south-west of Masterton
It was recorded about 47km distant in Kapiti, New Zealand.
The S wave arrives about 6.0 seconds after the P wave.
47km / 6.0 seconds = 7.8km per second of PS difference.
Turn it up.