New Zealand Auckland 2583 · 2018-07-09 · from the WORLDHUMMAP archive
Diesel engine idling a short way away from me. Loudest in my home but all pervasive. Can also be heard outside coming from the hills, over the hills and in the distance. Difficult to identify its source. Can also hear it in my car. Have driven around for miles and can still hear it when I turn off the engine.
What they reported
First noticed: 2018
Pitch: 40.5 (Is the EXACT SOUND AND VOLUME)
Loudest: During the night
Where: Indoors
Symptoms: Ear discomfort (pain, fullness, throbbing);Headache;Insomnia;Sense of vibration;Anxiety
Changes with weather: Yes, appears to be louder when cold and cloudless skies. Also seems louder when moon is brightest
Low oscillating hum, not loud but pervasive. Sounds like truck engines idling some distance away or a tumble dryer running in another room. Or a helicopter that doesn├»┬┐┬╜t get closer. No…
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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