An open record of things people cannot explain

Rannoch Moor, near Glen Etive. · 2019-07-23 · from the WORLDHUMMAP archive

A low hum in Rannoch Moor, near Glen Etive.

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 turned off the engine, we all freaked out because the Hum was there. we got out the car and walked and it stayed for about 3 to 4 minutes

What they reported

First noticed: 2012

Pitch: 48hz

Loudest: Equal night and day

Where: Equal indoors and outdoors

Symptoms: Insomnia, Anxiety, sense of impending doom. like something really bad is about to happen

Changes with weather: Nope

What stood out: a low hum

 

Others who described something like this

2020-09-27

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 · 27 km away

2019-06-26

Low pitched motor type, throbbing sound. Mostly constant, but with occasional momentary breaks. Very annoying. Stopping me getting to sleep. Loudest I have ever heard it tonight. Only fo

both described a low hum · 117 km away

2019-03-13

low, steady background rumble I wonder whether my tinnitus hiss originated from computer cooling fans, and the ticking from my bedside clock, and the Hum from 50 Hz A/C circuits. I have hear

both described a low hum · 124 km away

2018-01-30

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 · 89 km away

2018-02-20

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

both described a low hum · 92 km away

2018-12-18

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 · 105 km away

2003-03-15

Me and 3 of my friends were hiking up Rock Canyon. It was around 10:00pm and we were about 1 1/2 hours up the canyon, just before the rock canyon camp ground. I remeber that there was no sno

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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.