Very low pulsating rumble. Not unlike a distant diesel engine. I used to live near an alloy plant that had cooling towers with a very similar sound but this is much lower in frequency. The v…
both described a low hum · 29 km away
USA, Killen AL · 2019-05-21 · from the WORLDHUMMAP archive
A constant low pitched vibrating droning sound that is present in our home and in our cars near our home about 75% of the time. Sometimes it is so loud I can feel the vibration of the sound in my ears. I have never heard it anywhere else nor before I moved into this house (we also previously lived only 1-2 miles from our current home). Our property is situated on 15 acres with a creek ruining to the west and south boundaries and a spring running through the east side. My 16 year old son also hears it but our other son and husband do not. Interestingly my 16 yr old and I share the same shape head and larger size head type whereas my husband and other son both have smaller, typical head sizes. Which makes me wonder if head size/shape has something to do with our ability to hear the Hum. Just an observation. We live near 2 hydro dams. Each are 15 minutes ...to the east and west of our home.
What they reported
First noticed: 2015
Pitch: 75 hertz is a perfect match
Loudest: Equal night and day
Where: Indoors
Symptoms: Ear discomfort (pain, fullness, throbbing), Sense of vibration
Changes with weather: Seems like it is stronger the day after a hard rain but I�m not sure
What stood out: a low hum
Very low pulsating rumble. Not unlike a distant diesel engine. I used to live near an alloy plant that had cooling towers with a very similar sound but this is much lower in frequency. The v…
both described a low hum · 29 km away
It's a very low deep bass hum that vibrates in my left ear. Sound is always the same constant tone and timing. I thought it was and outside machine, but I don't hear it when I go out of the…
both described a low hum · 221 km away
Low hum at night with a slight change in frequentcy almost like a large low rpm compressor running very far away. Intermitantly stops or fades away only a few seconds than starts again I hav…
both described a low hum · 240 km away
Loud and extremely low bass. Like a truck idling right outside even when I'm home alone. Gives me a headache and gets extremely annoying. I have to sleep on the couch sometimes because it's …
both described a low hum · 286 km away
Every year me and a group of my friends camp in cheaha state park. Year before last, we where sitting outside our tent around the camp fire and it was about 11:00 at night. We where the ONLY…
both described a low hum · 244 km away
A low frequency rumbling, similar to a dispel engine. I've noticed the sound is remarkably similar to that of general frequencies of Earth recorded from satellites. https://www.youtube.…
both described a low hum · 410 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.