A mysterious seismic hum

That really faint noise? For me, it’s a quiet, high-frequency tone that seems to be coming from the centre of my head. For that guy in Arizona, it was a low-pitched drone coming from a neighbouring data centre. But these other unexplained low-frequency rumbles, heard around the world, could be much more elemental.

Ear-pleasing new report confirms volcanic source of mysterious global humSyfy Wire
Now a German scientific team has apparently solved the mystery of a strange seismic humming experienced around the globe since it was first detected in late 2018. And despite many believing it was some alien doomsday device warming up to unleash its planet-killing spores, it appears to be caused by a massive underwater volcano forming just off the coast of Madagascar.

Author: Terry Madeley

Works with student data and enjoys reading about art and design, data, education and technology.

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