Low hum or rumble comes from no where, sounds like trucks passing on the highway, or like I can hear heavy machinery coming from a long way away. It seems to be magnified by the door frame t…
both described rumbling · 107 km away
Ballarat North, Ballarat · 2018-12-06 · from the WORLDHUMMAP archive
rumbling low level sound I have only ever heard it inside a house. First at the house at Lucas in Ballarat, and now in my home in Ballarat North. Never anywhere else. Usually I get up very early, around 4am, and that is when I usually will hear it. But lately in the late afternoon in my house, too.
What they reported
First noticed: 2014
Pitch: Triangle 36 Hertz
Loudest: During the night
Where: Indoors
Symptoms: Initially confusion as to what that sound was.
Changes with weather: I haven't noticed
What stood out: rumbling
Low hum or rumble comes from no where, sounds like trucks passing on the highway, or like I can hear heavy machinery coming from a long way away. It seems to be magnified by the door frame t…
both described rumbling · 107 km away
Low rumbling Yes, I think have something to add to the subject I have/had experienced three hum/rumbles. The first one I believe is a “memorised” noise, I was awoken one morning by a large d…
both described rumbling · 125 km away
Humming/ rumbling in ears that can last months or come and go over days. Extremely stressful after all tests reveal nothing wrong. Causes stress and anxiety. Feels like an invasion when you …
both described rumbling · 751 km away
Low rumbling. I live in an area that has experienced a lot of earthquakes, so when I first started hearing the hum I thought it was an approaching small earthquake but the earthquakes never …
both described rumbling · on the other side of the country
Very low frequency rumbling, like an engine idling at a distance I put together a simple experiment: connected microphone to PC and downloaded some free spectrum analyzer software. In range …
both described rumbling
Low rumbling like a large jet but low and it seems loud but when I pull out my decibal reader it says it is around 35-40db. There is no source it seems to generally remain in this range. I h…
both described rumbling · on the other side of the country
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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.