AnomalyDiesel Moor Idling in the distance i have been working in marketing and social work, i am not a scientist, but i am 100 % sure the sound is external not internal, it must be related to the power grid, or the 4G and 5G cell phone stations, another possibility i suggest, are pipes that vibrate to a certain frequency
10117 Berlin · 2018-11-23 · from the WORLDHUMMAP archive
An account in 10117 Berlin
What they reported
First noticed: 2018
Pitch: 45
Loudest: During the night
Where: Indoors
Symptoms: Insomnia, Sense of vibration
Changes with weather: Not sure
Keep reading
There are thousands more like this in the record. Open one at random, or read the ones the most people recognise.
Read anotherMost recognisedOr if something like this happened to you, write it down and we will look for the others who saw it too.
Know someone this happened to?
If this reminds you of something a friend or a relative told you once and never mentioned again, send them this page. Reading that a stranger described the same thing is usually the part that helps.
Nothing is tracked back to you and nothing is sent on your behalf. The link is just the page you are reading.
This is a Hum report from Dr Glen MacPherson's World Hum Map, an open, worldwide record of people who hear an unexplained low-frequency hum. Reproduced with permission and with thanks; the project is at thehum.info. We remove anything on request. Location shown is approximate.