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This section contains descriptions of unexplained facts provided by eyewitnesses or published in the media, as well as the results of their analysis by the group.

The hum of the Earth. Netherlands

ID	#1635679750
Added	Sun, 31/10/2021
Author	July N.
Sources	ufomeldpunt.nl
Phenomena	The hum of the Earth
Status	Fact

Initial data

Initial information from sources or from an eyewitness

Incident date:

31.10.2021 02:15

Location:

Маасслуис

Netherlands

A strange strong noise outside the house was heard by an eyewitness from Maassluis (South Holland).

He's writing:

A heavy sound, a kind of humming that is present all the time, resembles a foghorn (?). Then louder and quieter again.

Original news

Vreemd zwaar geluid buiten

MAASSLUIS, ZH — Een zwaar geluid, soort zoem die de hele tijd aanwezig is, lijkt op een misthoorn. Dan weer harder en zachter.

Hypotheses

List of versions containing features matching the eyewitness descriptions or material evidence

Not enough information

Investigation

Versions testing, their confirmation or refutation. Additional information, notes during the study of materials

Not enough information

Resume

The most likely explanation. The version, confirmed by the investigation

Not enough information