An open record of things people cannot explain

Germany, Kühbach · 2021-01-26 · from the WORLDHUMMAP archive

A low hum in Germany, Kühbach

Humming noise like a diesel engine in some distance Sound starts around 1am and always stops about 2 hrs before sunrise. Tried to locate the sound and went to the direction (sometimes up to 2 km), but wherever I go, it seems to come always from another direction. When I close my ears with my hands, the sound remains the same. It seems not to be an acoustic sound entering the ear rather I have the impression that it is a vibration of the skull itself.

What they reported

First noticed: 1991

Pitch: 80...90 Hz

Loudest: During the night

Where: Equal indoors and outdoors

Symptoms: Headache

Changes with weather: Sound only when dry weather and tempereutes around +10°Celsius

What stood out: a low hum

 

Others who described something like this

2018-07-04

Pulsing bass-sound. Sounds like there is a Party going on in the distance. Sometimes like a diesel engine in the distance or a humming refrigerator. Sometimes pulsing like a slow morse cod

both described a low hum · 210 km away

2019-03-26

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

both described a low hum · 226 km away

2018-03-24

Very low frequency hum, like the sound a diesel vehicle would do from a distance before getting too close, but constant all the time. I can hear the noise better when it is completely silen

both described a low hum · 258 km away

2019-05-27

It is exactly like in this video (I found it after some days, after a research for the hum source, without knowing the existence of this recording) https://www.youtube.com/watch?v=hPAt8bIxg

both described a low hum · 267 km away

2018-05-20

hum like a trafo station we moved our office in 2016 and ended up immediately in front of a generator station which emits a similiar, but not equal sound all day long. When I close the windo

both described a low hum · 295 km away

2019-06-09

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

both described a low hum · 310 km away

2018-11-30

The sound seems to come from the sky, an intense vibration. Similar to the frequencies emitted by a diesel engine of a car with a slight acceleration or a larger engine at slow speed. Someti

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

2019-08-19

Low humming sound, feeling of vibration in head near ear. Morning and all night. Other sounds can cancel it out. It does not overlay it.. But the humming suddenly breaks if any sound (music)

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

2018-09-13

Sounds like a train engine idling in the distance. It's a very low, rumbling. It is intermittent. It mostly drones at the same level, but occasionally pulses without a discernible pattern

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.