01Apr2016 02:00:04 Z
The left sound channel is horizontal acceleration. The right: vertical. The video shows the vertical and horizontal axes correctly.
The video runs at 3.5 times real time speed.
This is a magnitude 3.4, 5km deep, earthquake, 25km west of Levin
It was recorded about 27km distant in Kapiti, New Zealand.
The S wave arrives about 4 seconds after the P wave.
27km / 4 seconds = 6.8km per second of PS difference.
Turn it up.