11May2016 19:55:18 Z
The left sound channel is horizontal acceleration. The right: vertical. The video shows the vertical and horizontal axes correctly.
The video runs at 8 times real time speed.
This is a magnitude 5.2, 27km deep, earthquake, 20 km west of Masterton
It was recorded about 31km distant in Kapiti, New Zealand.
The S wave arrives about 5.9 seconds after the P wave.
31km / 5.9 seconds = 5.3km per second of PS difference.
Turn it up.