An open record of things people cannot explain

30047 · 2018-02-12 · from the WORLDHUMMAP archive

A low hum in 30047

An endless, distant low rumbling like the sound of a truck engine, but much quieter. It�s not terrifyingly loud but I can�t help but notice it. When I�m focused on something, the hum becomes part of a sole background noise and slightly fades from my observation. I don�t notice it at night when I listen to music with earbuds, but when I do- it feels like hearing vibrations at a low frequency. Unlike pleasant and soothing low frequency meditation sounds that I frequent to, the humming is an annoyingly persistent sound.

What they reported

First noticed: 2018

Pitch: 20 Hz

Loudest: During the night

Where: Indoors

Symptoms: Sense of vibration

What stood out: a low humrumbling

 

Others who described something like this

2019-04-03

A low frequency rumbling, similar to a dispel engine. I've noticed the sound is remarkably similar to that of general frequencies of Earth recorded from satellites. https://www.youtube.

both described a low hum · rumbling · 83 km away

2018-03-30

Low pitched. intermittent rumble, like a motor. Sometimes like a coded signal or low pitched morse code. I had never heard this sound before moving into my condo. At first I thought this so

both described a low hum · rumbling · 239 km away

2018-12-06

Very low pulsating rumble. Not unlike a distant diesel engine. I used to live near an alloy plant that had cooling towers with a very similar sound but this is much lower in frequency. The v

both described a low hum · rumbling · 342 km away

2018-06-05

It comes an goes , it's rarely a constant , however the hum sustaines for minutes on end at times , pulsating as well . I've looked into Flightradar24 & there is a refinery near my location

both described a low hum · rumbling · 767 km away

2018-11-03

Low pitched rumble like a distant diesel engine It's clearly related to my tinnitus. I have high pitched ringing in both ears. I have "the hum" in the right ear only. It comes and goes, u

both described a low hum · rumbling · 845 km away

2018-12-05

Low, soft rumble - as if a large truck were idling in the distance - it varies, but not rhythmically - I can almost "feel" the vibrations. Most predominantly at night, in the bedroom on the

both described a low hum · rumbling · on the other side of the country

2019-05-15

Low frequency, rumbling hum, almost sounds like the noise of a large distant war plane I first noticed this sound when I was about half way through pregnancy with my first (and only) child.

the accounts read alike, found by meaning rather than by shared details

2019-04-27

Very low frequency rumbling, like a truck idling down the road. Sound level goes up and down�not a constant tone. As much vibration as sound. Some describe it as pressure in the ears. W

the accounts read alike, found by meaning rather than by shared details

2019-11-06

Annoying AF. A low rumble like a truck engine revving. I feel the vibration in my whole body and even my eyeballs if I focus on it. Louder at night, but I hear it during most of the day if I

the accounts read alike, found by meaning rather than by shared details

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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.