Prague, 15000 · 2020-10-07 · from the WORLDHUMMAP archive
A low hum in Prague, 15000
Deep humming, like a truck engine, generator, pump somewhere further away. At first I thought it was a neighbour. Sometimes it gets really loud. I hear it mostly indoors, when I open the window I cannot identify anything. I also heard it already outside when I went outside to identify the sound.
What they reported
First noticed: 2020
Pitch: It is around 100 Hertz
Loudest: During the night
Where: Indoors
Symptoms: Insomnia, Anxiety, Generally feeling unwell
Changes with weather: I don't know, I only hear it for a month, but it has been pretty much constant since then.
Low frequency hum I first read the description of the other report in my area (the one from hietzinger kai) and thought, hey this person hears the very same sound, and his description (├»┬┐┬…
attributes are: humming, acoustic beat-like, interference-like and causing suffering which is impossible to describe to non-hearers as if my brain (or even "soul"!) were locked up or severel…
First I thought of a running washing machine. A Diesel engine or distant road construction is close too. Furthermore there is a fast bubbling sound like Geiger counter or the bubbling of a a…
humming of machinery in a distant part of a huge building, as if picked up through bone conduction. Maybe like pressing the ear to the bulkhead of a spaceship you're traveling on. Does the s…
Like a constant low-frequency humming noise, like an idling diesel engine at around 67 Hz. Quite often very invasive. The local environmental authorities ran some audio recording with a clas…
Idling diesel engine of a truck From my investigation I find a relation with electro magnetic fields. It is like a sound, if you have multiple tones on the same frequencies you will experien…
A low humming noise. I can't hear it when any other noises are present, only in the silence. It is only audible indoors: in a car, in my garage, in my house. I've heard it at home most frequ…
the accounts read alike, found by meaning rather than by shared details
I hear a low frequency noise. I first thought it was distant large diesel trucks coming up a hill on Highway 202. But when I open the window I do not ever hear the truck go by. I thought it …
the accounts read alike, found by meaning rather than by shared details
Sounds like a car idling at a distance where I can barely hear it, but when I go outside there is no car and the sound is gone. I only hear the sound indoors, but it appears to come from out…
the accounts read alike, found by meaning rather than by shared details
Has this happened to you?
Write it down while you still remember the details. We will look for the others.
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.
Anomaly