Northern Ireland. County Antrim BT39 · 2021-01-12 · from the WORLDHUMMAP archive
A low hum in Northern Ireland. County Antrim BT39
It is a low frequency sound like a fan going in the distance or a diesel engine iddling. I only hear it indoors. I cannot hear the noise outside and I have turned off electrical supply, water supply (in the house) and wifi - the noise still continues. My conclusion is that there is a low noise outside which is being amplified through our air exchange system making it audible at a low frequency indoors. My 46 year old husband and 16 and 18 year old sons cannot hear the noise.
What they reported
First noticed: 2020
Pitch: 45 Hertz
Loudest: During the night
Where: Indoors
Symptoms: Headache, Insomnia, Sense of vibration, Frustration that no one else in the house can hear it.
Changes with weather: I haven't noticed any changes. Since I first heard the Hum last week we have had overnight frosts and daily temperatures of -1 to +6 degrees Celsius. Weather has been either frosty or damp.
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It is a low-frequency humming noise that has no explanation or source. I hear it mostly at night and inside my home. The noise is similar to a train or a diesel truck engine idling and the…
the accounts read alike, found by meaning rather than by shared details
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…
the accounts read alike, found by meaning rather than by shared details
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
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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.
Anomaly