28032 Madrid, Spain · 2019-01-11 · from the WORLDHUMMAP archive
A low hum in 28032 Madrid, Spain
Is a very low frequency below 40hz, lower than a car in the distance and louder. It seems to come from outside the house, sometimes I have thought it could be a resonance house problem, but I lived all mi life here and is only now when I am hearing. I can not recognice a pattern, sometimes is like sinusoid wave with around 1,5 seconds period.
What they reported
First noticed: 2018
Pitch: 0.4 Hz
Loudest: During the night
Where: Indoors
Symptoms: Insomnia, Sense of vibration, Anxiety, Skin irritation with rash
Changes with weather: I started to hear it a couple of weeks ago but the wheather did not change.
Constant humming as of a motor at idle or a flying propeller plane Right now as I write this I hear the buzzing. It seems that the exterior is masked with background sounds, but you also hea…
Very low frequency resonance Bening a muaician with sound mixing/recording skills, I can firmly say that the hum is not oeiginally a sound. It is a resonance, vibration, that propagates to y…
hmmmmm I would like to add that iam the only member of the my closest members family that hears it. I live with 2 other people and they cant hear it or sense right in the moment when iam fee…
Like an idling diesel engine at a medium distance I first noticed the sound/vibration when I moved to this house. Before that I had lived in suburban places. If there had been a hum in any o…
Low loud sound, like really going though the ear canal and deep... like low frequency Maybe a more precise description of the noise, with a comparative of existing sound..(?)
In that case, I…
both described a low hum · on the other side of the country
Low persistent hum that I only become aware of at night I have tried turning off the electricity thinking it might be something like a fridge but that doesn├»┬┐┬╜t work. I├»┬┐┬╜ve been out …
both described a low hum · on the other side of the country
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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