low frequency hum or rumbling Live within 2 miles of Great Lakes shipping channel (Lake Superior/Lake Huron) so thought at first was freighters or possibly jet plane overhead despite sound b…
both described a low hum
United States mountain ranch Ca 95246 · 2023-01-17 · from the WORLDHUMMAP archive
Low Humm in consistent but persists most days all day and night hummmmmm Humm Hummmmmmmmmmmmmm hum.. just in the general area where I live other places nearby there is nothing. At first I thought it was my speaker so I unplugged it and any other sources I thought may have been it, but nothing.
What they reported
First noticed: 2019
Pitch: Around 30 hz mix of traingle wave
Loudest: During the night
Where: Indoors
Symptoms: Insomnia, Sense of vibration, Anxiety
Changes with weather: Yes lots of rain and i didn't hear it as much
What stood out: a low hum
low frequency hum or rumbling Live within 2 miles of Great Lakes shipping channel (Lake Superior/Lake Huron) so thought at first was freighters or possibly jet plane overhead despite sound b…
both described a low hum
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both described a low hum
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both described a low hum
Low frequency hum, always same frequency, I'd estimate around 50hz (at least my perception). I only hear it at/in my home, if I'm at another location, I don't think I've ever heard of it. …
both described a low hum
Sounds exactly like there is a large truck idling down the street outside. but I can actually feel the noise vibrating and pulsing inside my eardrum. The way it goes in and out mimics the so…
both described a low hum
Distant idling diesel engine, stops when I yawn or if a sound is made I played an audio 'subwoofer test' online at onlinetonegenerator.com and after I stopped when it got too low hertz I too…
both described a low hum
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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.