London N8 0NX, UK · 2019-03-31 · from the WORLDHUMMAP archive
A low hum in London N8 0NX, UK
A low, continuous hum I first noticed the hum when I moved into my flat in 1999. It was extremely loud and intermittent - it would hum for a few seconds, stop for a few seconds, start again... Now it is much quieter and constant, so no longer keeping me awake at night. The hum seems to be coming from outside i.e. through the window, but I have never heard it when outside.
What they reported
First noticed: 1999
Pitch: 105Hz
Loudest: Equal night and day
Where: Indoors
Symptoms: When I first noticed it, it was extremely loud and kept me awake at night. Now much quieter and not a problem
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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