An open record of things people cannot explain

00040 - 00049 ( Between Lanuvio and Velletri RM ) · 2018-12-27 · from the WORLDHUMMAP archive

A low hum in 00040 - 00049 ( Between Lanuvio and Velletri RM )

Low frequency sound similar an angine of car near the wall of my home. I think it's a problem for me... Expecially during the night ... I think it isn�t reconducible to an electric instruments, or the the wind... Because i tried to power off any devices, shut down the current of my home... No electric device, no wind... I live in countryside house... But i listen this sound... :-(

What they reported

First noticed: 2012

Pitch: 33Hz Sine (very similar)

Loudest: During the night

Where: Indoors

Symptoms: Insomnia, Sense of vibration

Changes with weather: Yes, i think it change when for example it�s raining...

What stood out: a low hum

 

Others who described something like this

2019-12-27

It is a low frequency noise, it isn't continuous and it is irregulary. It is a noise as a water pump in action producing vibration. I can't hear it every day, but the strange thing is that I

both described a low hum · 24 km away

2018-11-10

I hear the hum just in one location, my home. When I travel somewhere I don't hear it. I use ear plugs to isolate myself from traffic sounds but then I hear the hum better. I hear it at nigh

both described a low hum · 341 km away

2019-04-19

A very low frequency but not at the same frequency of Ac distribuition, i'm think at about 70-74Hz, with some phasing change, and some change in volume. I have tried to record also with spec

both described a low hum · 329 km away

2018-10-22

regular and continuous low frequency sound At first I did not know about the existence of the world's hum, so I claimed with the administration of the building. They wrote to me that no one

both described a low hum · 590 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 · 800 km away

2018-12-09

Low frequency sound and small vibration in my body Yes, I have build a green house ,with sismique resistance and isolation with aluminium vapor menbran with especialy low r�sistance for

both described a low hum · 823 km away

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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.