Strange sounds scare people of Slovakia

If you track the appearance of strange unearthly and frightening sounds in different countries of the world, you will find that they precede earthquakes.

Perhaps this is due to the movement of tectonic plates. Scientists still can not accurately determine the source of this strange phenomenon.

Various assumptions are put forward. Perhaps this is due to processes in the earth’s atmosphere, magnetic storms, the solar wind, perhaps … and perhaps not.