Wales, UK. Llandegley. LD1 5UE · 2019-04-02 · from the WORLDHUMMAP archive
Low frequency, low volume, pulsating hum with vibration. Feels like a machine is boring into the earths crust and causing sound to vibrate out through the ground. If I had to say what it is I would say a quarry working machine is boring into the ground causing vibration. It feels man made. It can not be the sea or wind turbines as the hours it happens would be more random. If it is low frequency radio transmission why would there be vibration? It fits in with a working day 5.30am till around 11.00am (lunch) then 1.00pm till 8.00pm. It has just stopped again now 1.55pm. (Machine broken or being relocated?) Could it be Fracking?
What they reported
First noticed: 2018
Pitch: 23 hertz (Triangle) is the closest I can get but its slightly deeper here.
Loudest: During the day
Where: Equal indoors and outdoors
Symptoms: Sense of vibration
Changes with weather: No
What stood out: a low humpulsing light
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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