12Oct2015 08:05:01 Z
The left sound channel is horizontal acceleration. The right: vertical. The video shows the vertical and horizontal axes correctly.
The video runs at 20 times real time speed.
This is a magnitude 5.8, 24km deep, earthquake, 15 km east of Pongaroa
It was recorded about 114km distant in Kapiti, New Zealand.
The S wave arrives about 16.1 seconds after the P wave.
114km / 16.1 seconds = 7.1km per second of PS difference.
Turn it up.