The left sound channel is horizontal acceleration. The right: vertical. The video shows the vertical and horizontal axes correctly.
The video runs at 15 times real time speed.
This is a magnitude 4.2, 166km deep, earthquake, 30 km south-east of Tauranga, New Zealand
It was recorded about 355km distant in Kapiti, New Zealand.
The S wave arrives about 38.78 seconds after the P wave.
355km / 38.78 seconds = 9.2km per second of PS difference.
Turn it up.