Davis, California · 2019-03-13 · from the WORLDHUMMAP archive
A low hum in Davis, California
Low frequency Hum! I tried to record it on the noise app. But it doesnt pick up low frequency noise. I can hear it now and the local traffic noise does not affect it. The free way i 80 has no sound barriers as it runs straight through Davis. It is around one mile from this house. The house is stucco with dual glazed windows. Some are very old some are new. The sound is less obvious in the newer window rooms.
What they reported
First noticed: 2012
Pitch: Didnt work
Loudest: Equal night and day
Where: Indoors
Symptoms: Sense of vibration, Its an external hum.
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Distant idling diesel engine, stops when I yawn or if a sound is made I played an audio 'subwoofer test' online at onlinetonegenerator.com and after I stopped when it got too low hertz I too…
Low, constant, almost pulsing hum├»┬┐┬╜like that of the background engine noise of the Enterprise on Star Trek: TNG or the 'glowing' hum of the nuclear reactor on the Simpson's; a little rap…
Very low frequency hum, like the sound a diesel vehicle would do from a distance before getting too close, but constant all the time. I can hear the noise better when it is completely silen…
the accounts read alike, found by meaning rather than by shared details
It is a low frequency sound like a fan going in the distance or a diesel engine iddling. I only hear it indoors. I cannot hear the noise outside and I have turned off electrical supply, wat…
the accounts read alike, found by meaning rather than by shared details
Low frequency - sounds like an airconditioning unit or low frequency diesel truck in the distance. Is louder sometimes than other. Sometimes really loud - particularly at night when everythi…
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