90066 · 2018-05-30 · from the WORLDHUMMAP archive
low-frequency hum, continuous, more apparent during evenings and overnight even though the hum is more apparent during quieter times in this location, it hasn't been present during visits/stays in relatively quiet areas (wilderness, rural, mountainous, suburbs, etc)
What they reported
First noticed: 2015
Pitch: <40Hz
Loudest: During the night
Where: Indoors
Symptoms: Ear discomfort (pain, fullness, throbbing);Insomnia
What stood out: a low hum
sounds like low frequency buzzing noise that comes from all directions the day after i started hearing it, my neighbor about 3 houses up from me called me over to ask what this noise was tha…
both described a low hum
Low hum. Sounds like it could be a fridge or some other technology or a neighbour's bathroom/kitchen fan but isn't anything that I can find. Hear it at night very loud but also recently one …
both described a low hum
Low frequency distant vibration, resembling plane engine or purring of a cat. The sound (a humming vibration) is not constant, it comes and goes. It is not a linear/constant sound, it is sli…
both described a low hum
A lower hum that does increase in volume at times. It stays at a steady pace but, at times can change to a different pattern of wave. It will then go back to the original. It's like a "voooo…
both described a low hum
distant vibration sounding noise, sounds pulsating. woke me up because when i put my head on my pillow it gets louder, like my pillow acts as a medium from something below me that i can hear…
both described a low hum
Very low frequency rumbling, like an engine idling at a distance I put together a simple experiment: connected microphone to PC and downloaded some free spectrum analyzer software. In range …
both described a low hum
a very low frequency hum in two different specific frequencies. The hum switches back and forth between the two frequencies intermittently. When the environment I'm in has other noises the h…
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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