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
00040 - 00049 ( Between Lanuvio and Velletri RM ) · 2018-12-27 · from the WORLDHUMMAP archive
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
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
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
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
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
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
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
Write it down while you still remember the details. We will look for the others.
Tell us what you sawIf 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.