very low frequency hum. I had some instances of falling asleep with headphones on with low frequency white noise playing because my new neighbour was harrassing me, and I'd also been listene…
both described a low hum · 54 km away
UK, Wirral · 2019-03-14 · from the WORLDHUMMAP archive
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 hear the noise more loudly. It's as if the whole house is resonating somehow
What they reported
First noticed: 2004
Pitch: 150hz triangle
Loudest: During the night
Where: Indoors
Symptoms: Sense of vibration, Anxiety
Changes with weather: Can be more prevalent in higher winds
What stood out: a low hum
very low frequency hum. I had some instances of falling asleep with headphones on with low frequency white noise playing because my new neighbour was harrassing me, and I'd also been listene…
both described a low hum · 54 km away
Like a plane or boat engine humming in the distance. Not high pitch but constantly there when it's quiet I sometimes hear high frequency buzzing like an electrical motor being powered up for…
both described a low hum · 58 km away
Constant low but distinct, penetrating, background rumbling droning noise which surges/pulses similar but not the same as a parked car or lorry engine idling in the near distance. Can hear e…
both described a low hum · 11 km away
a low hum like a large distant engine or generator just that I hope one day we have an answer, a few of my friends also experience it so I will let them know of this database and the work be…
both described a low hum · 66 km away
Continuous deep humming sound , bit like a running engine or generator . Sometimes the pitch will change . We’re currently on lockdown due to Coronavirus and the hum has gotten louder and mo…
both described a low hum · 13 km away
Like a distant lorry parked with engine running idle. Or low electrical hum. It’s almost more of a feeling than a sound. When I first noticed it I opened the window to see if it was a car ou…
both described a low hum · 78 km away
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
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 …
the accounts read alike, found by meaning rather than by shared details
It's similar to the sound of my fridge when the motor cuts in, only a bit lower in frequency. I can also compare it to the distant, low sound of an engine running or a cement mixer on a dist…
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.