It is a consistent super low frequency drone I hear at night when indoors that I have described to my wife and kids (none of whom hear it themselves!) as an idling truck engine nearby—not cl…
both described a low hum · 33 km away
Unites States, New York · 2019-01-10 · from the WORLDHUMMAP archive
The sound is best descibed as deep vibration or low hum that sounds like it is from an engine or truck, but the sound seems to be travelling through a medium as a vibration. Sometimes it fluctuates between a quieter hum and a louder hum. Sometimes it is a steady hum. I only hear it indoors, not outdoors. But it's not coming from inside the residence. I am 100% sure. That's why I believe the sound is travelling as a vibration.
What they reported
First noticed: 2018
Pitch: 65 Hz
Loudest: Equal night and day
Where: Indoors
Symptoms: Sense of vibration, Anxiety
Changes with weather: no
What stood out: a low hum
It is a consistent super low frequency drone I hear at night when indoors that I have described to my wife and kids (none of whom hear it themselves!) as an idling truck engine nearby—not cl…
both described a low hum · 33 km away
It's a constant low pitch sound like a fan spinning or droning. Like a speaker sub vibrating inside my ear or the sound a car tire would make if you were driving on a flat tire but really lo…
both described a low hum · 110 km away
low pitched inner ear droning that i can sometimes almost feel in my chest. the sound is kind of like from a distant boat engine on the water or something closer like a machine or pump in th…
both described a low hum · 143 km away
Low hum, like an electrical transformer, very strong but low frequency. Sometimes notice a pulse with it that I can feel the pressure on my ear drums. I generally do not feel well living in …
both described a low hum · 75 km away
A very low decibel intermittent hum. Almost like a long drawn out Morse code. Hum, then one second silence, then hum. No particular pattern. But constant. Night. Day. But only notice when I …
both described a low hum · 77 km away
A very low decibel intermittent hum. Almost like a long drawn out Morse code. Hum, then one second silence, then hum. No particular pattern. But constant. Night. Day. But only notice when I …
both described a low hum · 77 km away
deep, pulsing, vibration maybe i can hear the hum since the 1990s and i always thought is was a normal sound whitch can be explained. but in the year 2005 people told me about a unexplained …
the accounts read alike, found by meaning rather than by shared details
Low frequency hum The hum is loudest inside the house but sounds like it is coming from outside. When I go outside it is still audible but less so with ambient noise and I cannot determine a…
the accounts read alike, found by meaning rather than by shared details
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…
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.