An open record of things people cannot explain

USA, Richardson · 2019-05-12 · from the WORLDHUMMAP archive

A low hum in USA, Richardson

Low frequency modulating hum Used a stethoscope on water line, gas line, walls, concrete floors and turned electricity off thinking it was something running in the attic. We had bought this house 3 years ago and only heard it here. several rooms in the house I do not hear the noise at all. The sound seems to just radiate , can't isolate noise louder sometimes other times not as loud.

What they reported

First noticed: 2016

Loudest: During the night

Where: Indoors

Symptoms: nothing discomfortable or irritating

Changes with weather: more in the winter months

What stood out: a low hum

 

Others who described something like this

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) this is the hum that I hear, around 50Hz a…

both described a low hum

2019-03-25

It started 9 years ago in my apartment as an intermittent low "buzz pulse" with no rhythm - usually noticed it more when I was going to bed. I never found the source - thought maybe it was a…

both described a low hum

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)…

both described a low hum

2019-04-25

Low frequency hum with oscillating intensity much like an idling engine. Heard or felt more easily at night from inside the house. Wearing earplugs does not reduce it but rather enhances it …

both described a low hum

2019-06-17

Sounds as if a 4 to 6 cylinder diesel engine running in the distance. I disconnected my electrical power to the home once to test if the Hum is being generated by the power grid. It made no …

both described a low hum

2019-12-26

Low continous sound, like a diesel generator or tractor that revs at around 1500 rpm per minute, although distant, like it is running approximately 500 - 1000 meters away. Very low frequency…

both described a low hum

2019-03-14

Low frequency hum, oscillating and getting louder then quieter in a regular pattern. Only hear it at home and not always there. Louder at night. If I press my ear to the house wall I can hea…

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

2020-09-26

Low frequency - sounds like an airconditioning unit or low frequency diesel truck in the distance. Is louder sometimes than other. Sometimes really loud - particularly at night when everythi…

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

2019-12-05

freight train from a long way off. large diesel generator as heard from a great distance. loud speaker amplifier hum coming from speakers when no other sound is played. comes from every dire…

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.