The Netherlands, Rotterdam 3086 KV · 2018-01-29 · from the WORLDHUMMAP archive
low sinus shaped noise around 62 herz, somtimes pulsing in volume of 1hz The low frequency hum I experience goes away when I'm not at home. If I go on holiday (and don't visit a place where I've heard it before) or to family and I return home, I don't hear anything for the first 2-20 hours, depending on how long away I've been. And then it slowly returns to being audible. When it takes longer I start to feel this 'tingling' in my ears and a very distant fizzing or crackling sound. O r the pressure you sometimes feel just before a thunder storm. It's like my brain is detecting something and tries to make sense of it, but can't. And then slowly the sonore sinus wave sets in. I have experimented with supplements like magnesium, calcium, zinc and potassium for the last 6 months and I've been able to diminish the sound to almost 1/4 of what I used to hear at it worst, but it's very tricky to find the right dosage of which supplements. I've had a short success of a few weeks of hearing almost no hum anymore, but then it slowly crept back and I'm still searching to which 'stable' combination gives me the best results. But off course normal food intake also influences this, so it's really hard. Finally: the hum started for my after moving to a newly built house. We moved in in june 2015, but another part of the suburb close to us was still under construction. After the 'skeleton' of the last 8 housing blocks was up at the beginning of 2016 the 'humming' effects started for my in my home. My working theory is that the positioning of the houses built after our own home (long 6-8 houses connected as a rectangular block of 10 meters high with 45 angle roofs as an attic somehow amplifies industrial engines or something else from the Rotterdam harbour into my home and functions as a megaphone. The ground floor is most of the time silent, the noise starts at the first floor where you have less obstructions on the ground and the housing might function. You could ask other people questions like: did something like building construction take place before you started hearing low frequence sounds?
What they reported
First noticed: 2016
Pitch: it varies, somewhere between 53hz-62hz
Loudest: During the night
Where: Indoors
Changes with weather: No it doesn't, unless it rains a lot but this seems to be more of an ambient noise masking effect than 'stopping' the sound
What stood out: a low humbuzzingpulsing light
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the accounts read alike, found by meaning rather than by shared details
A low humming noise. I can't hear it when any other noises are present, only in the silence. It is only audible indoors: in a car, in my garage, in my house. I've heard it at home most frequ…
the accounts read alike, found by meaning rather than by shared details
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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