AnomalyA terrible annoying deep bass sound. Like listening to an excavator or a large lorry going uphill at low gear. I have heard it since 1986 of and on both at my home in west Sweden and at times when traveling abroad also in Spain and Denmark. Nobody Believes me or understand how many sleepless nights this has caused me. I have stopped telling people since they think I�ve gone bonkers. Just that this is terrible! At a long period of time when my children were small I had to sleep with the dry tumbler going, I support it better now but cannot talk to people about it. Nobody else that I know seems to hear it.
Ulricehamn, postal code 523 35. Sweden. Torrox Costa · 2018-02-12 · from the WORLDHUMMAP archive
An account in Ulricehamn, postal code 523 35. Sweden. Torrox Costa
What they reported
First noticed: Before 1990
Pitch: Doing this at work with internet explorer and no speakers. Will test this at home.
Loudest: During the night
Where: Indoors
Symptoms: Headache, Insomnia, Nausea, Sense of vibration
Changes with weather: Cold clear weather will make it more audible
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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.