I am in South Africa, a town called ALBERTINIA · 2021-06-26 · from the WORLDHUMMAP archive
A low hum in I am in South Africa, a town called ALBERTINIA
Low frequency almost inaudible mostly evident during quiet hours, attempted detection possible with smartphone visual audio frequency analyzer on android tablet, source unknown seems emanating from below the earth - thought it could be underground water movement maybe? coetzee.chris@gmail.com is my address in case you might have any questions.
What they reported
First noticed: 2004
Pitch: 20 to 35 Hz
Loudest: During the night
Where: Equal indoors and outdoors
Symptoms: Ear discomfort (pain, fullness, throbbing), Sense of vibration
Changes with weather: Not with weather, but it certainly quiets down after a natural event like an earthquake or a volcanic eruption.
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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