low frequency like an engine running outside but only heard indoors Found a renewable energy hydro installation (Archimedes screw type) a half mile from house making a very similar sound, th…
both described a low hum · 41 km away
Scotland, Tillicoultry · 2018-02-20 · from the WORLDHUMMAP archive
Low frequency hum, like a plane constantly overhead at high altitude I notice it much more when stressed. My Girlfriend has heard it only once. My neighbours can't hear it. I still think it may be local sewage treatment plant. Would like to disconnect their power supply to find out.
What they reported
First noticed: 2013
Pitch: 17htz triangle
Loudest: During the night
Where: Indoors
Symptoms: Insomnia, Sense of vibration, Anxiety
Changes with weather: No sound in stormy, windy or rainy weather. Quieter in snow.
What stood out: a low hum
low frequency like an engine running outside but only heard indoors Found a renewable energy hydro installation (Archimedes screw type) a half mile from house making a very similar sound, th…
both described a low hum · 41 km away
Low hum like a taxi or truck idling outside the flat or like a washing machine constantly on spin cycle. I can actually feel the noise shaking the furniture (and me!) which is why I was conv…
both described a low hum · 50 km away
Its like hearing a high flying plane but the sound isn't fading as a plane would as it passes by. Its a constant humming almost far away siren sort of sound. There is a alcohol bottling comp…
both described a low hum · 43 km away
Low frequency, almost distant machine sounding noise. on this occasion, myself and two others all heard the noise. Ironically, we were talking about it and when we stopped the car, and turne…
both described a low hum · 92 km away
Low humming sound, more prominent at night I first noticed this after moving to a quiet house in the countryside where we still live. I was initially convinved the sound was real and spent s…
both described a low hum · 110 km away
Constant deep humming, roughly 60 Hz I found the source! It was emanating from an building site for a multi-storey retail development (Framwell Gate, Durham). Specifically it was coming from…
both described a low hum · 204 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.