germany, koblenz · 2020-04-06 · from the WORLDHUMMAP archive
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 sound called the hum. in the areas where i can here the hum there are no hearable deepfrequent sounds at day like machines. i am hearing the hum just now in the moment. sometimes it is pulsing slow and sometimes faster. for some minutes i heard nothing.
What they reported
First noticed: 2014
Pitch: the hum here is maybe 70 hz? it is a bt deeper than my guitar. the generator does not work with my pc speakers. i can here its 103 hz but no deeper sounds.
Loudest: During the night
Where: Indoors
Symptoms: Sense of vibration, i hear the hum outside of my ears. mostly indoors.
Changes with weather: i don't know.
What stood out: a low humpulsing light
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both described a low hum · pulsing light · 448 km away
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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 fl…
the accounts read alike, found by meaning rather than by shared details
A sublineal hum that once you hear it you can always hear it - you are aware of its presence mostly sounds like the hum of a vacuum - and sometimes like machinery underground - I have been …
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.
Anomaly