17May2018 21:43:16 Z
The left sound channel is horizontal acceleration. The right: vertical. The video shows the vertical and horizontal axes correctly.
The video runs at 30 times real time speed.
This is a magnitude 6.0, 200km deep, earthquake, 680 km north-east of Whangarei
It was recorded about 1078km distant in Kapiti, New Zealand.
The S wave arrives about 101 seconds after the P wave.
1078km / 101 seconds = 10.7km per second of PS difference.
Turn it up.