USA, Romeoville · 2018-09-13 · from the WORLDHUMMAP archive
Sounds like a train engine idling in the distance. It's a very low, rumbling. It is intermittent. It mostly drones at the same level, but occasionally pulses without a discernible pattern to the pulse. The first time I heard it I thought it was similar to the sound power lines can make, but deeper. It feels vibrational, as if it's coming up through the basement of my home. I also feel a pressure in my ears when I hear this sound. First noticed this sound in March or April of 2018
What they reported
First noticed: 2018
Pitch: 30 triangle - 30 sine
Loudest: Equal night and day
Where: Indoors
Symptoms: Ear discomfort (pain, fullness, throbbing);Insomnia;Sense of vibration;Cannot concentrate
Changes with weather: Not that I have noticed
What stood out: rumblinga change in air pressure
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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