USA, China Grove · 2020-01-02 · from the WORLDHUMMAP archive
A low hum in USA, China Grove
it sounds like a deep humming noise. when i first started hearing it and it started to affect me it reminded me of an old plane propeller (1900s), but from a distance. it doesn’t sound very close and doesn’t really ever sound like it gets closer or farther away. it only bothers me at night and it keeps me awake, mainly because i’ve associated it with a war machine i suppose.
What they reported
First noticed: 2019
Pitch: sine. i was unable to adjust the hertz number but sine sounds closest to the sound.
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Low frequency throbbing hum. D2 on a piano keyboard with harmonics sub and sup. The hum fully developed after an accidental fall on my back where I sustained compression fractures on L3 and …
Like a distant place overhead, or a very far away constant train horn, except it doesn't stop for hours I've heard this since I was a child. It's always been something of a white noise for m…
the accounts read alike, found by meaning rather than by shared details
Low frequency, rumbling hum, almost sounds like the noise of a large distant war plane I first noticed this sound when I was about half way through pregnancy with my first (and only) child. …
the accounts read alike, found by meaning rather than by shared details
A low hum that can slightly fluctuate. It reminds me of the sound of the old oscilloscopes. I only hear it at night, generally after 1 A.M. and it awakens me from my sleep. It keeps me awake…
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