Vallejo, California above the 80 freeway. · 2018-04-08 · from the WORLDHUMMAP archive
A low hum in Vallejo, California above the 80 freeway.
Low cycling hum like a diesel engine parked in front of my house. I'd love some answers. I just want to hear the birds and not the relentless droning...I see others near my place are experiencing this. I live by electric towers, above the Napa River, and between two freeways. The house is on one of Vallejo's many hills, and very near a mining operation, and two major refineries. Sometimes the drone is low and slow and sometimes, like at present, it's revved up. Almost like a diesel turbine.
What they reported
First noticed: 2014
Pitch: It's like Sine at 118 htz, but much LOWER and with a revving quality like an engine.
Loudest: During the night
Where: Indoors
Symptoms: Ear discomfort (pain, fullness, throbbing), Headache, Insomnia, Sense of vibration, Anxiety
Changes with weather: It seems to be present no matter the weather.
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both described a low hum
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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