USA, Austin (MN) 55912 · 2018-01-29 · from the WORLDHUMMAP archive
A low hum in USA, Austin (MN) 55912
Low throbbing sound, like a diesel engine parked outside the house. More noticeable at night. Seems to come and go. At first I thought it was connected with the trains. A train on a railroad idling somewhere, but the trains never came. When you asked if I was sensitive to sounds, I said "Very much so" but I mean that in the sense that if a TV is on in another room, I can hear its frequency even though the screen is black. However, I don't necessarily have super sensitive ears in the sense that things bother me a lot. Living in this town is the first time I've been bothered by this noise. I've noted it close to 12th St SE and 4th Ave SE, and I'm aware of its proximity to a railroad. However, as I've said before, I'll hear this even when there aren't trains near by, idling, or even scheduled to be running near. When a train is coming or it is near, I'll notice a similar noise, but it only starts within a few minutes of a train passing in the vicinity, and then it will stop again. Whether or not it is the SAME noise, I can't tell for absolute certain. I've lived in other towns where I could hear trains, but I've never heard a hum that's as constant as this. Usually any hum connected with trains is as I've described - starting shortly before a train passes in the vicinity, and then it eventually stops. This hum that I hear in this town is not like those hums.
What they reported
First noticed: 2015
Pitch: 77 hertz? It tends to undulate like a diesel engine does when it idles.
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the accounts read alike, found by meaning rather than by shared details
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the accounts read alike, found by meaning rather than by shared details
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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