Truro, USA 02666 · 2019-11-10 · from the WORLDHUMMAP archive
A low hum in Truro, USA 02666
Very low frequency hum, similar to the sound of someone blowing into the top of a bottle but far more intense - almost a feeling more than a sound! Where I live on cape cod is surrounded by water - I’m 1 1/2 miles in either direction to the ocean and the bay. Also, there’s a naval radar facility near me. And the wires in my neighborhood are burried
What they reported
First noticed: Before 1990
Pitch: 190 sine wave or 200 triangle
Loudest: During the night
Where: Indoors
Symptoms: Insomnia, Sense of vibration, Anxiety, Makes me grind my teeth
Changes with weather: Yes - it seems to be less when it’s rainy or windy
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both described a low hum · 163 km away
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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