Mysterious “Vibration” Detected Around the World | Source: Unknown!

This post is related to the one we posted last Friday (December 02) “Seismographs Detect Strange Disturbance All Across North America | Not earthquakes“, it is an addition to this strange going on.

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December 8, 2016: A mysterious vibration/signal/frequency/pulse is being detected around the world, looking like a classic earthquake…but there is NO earthquake at the time of the event. Lasting in some cases for more than an hour.

Thanks to MrMBB333 YouTube Channel

Any thoughts on what is doing this?