Santa Clara County, San Jose 95129 · 2018-12-20 · from the WORLDHUMMAP archive
A low hum in Santa Clara County, San Jose 95129
Very low frequency, has changed over the years from a steadier sound to "pulsing" and louder. I believe it is resonating the walls of the (enclosure) house. It can be heard better inside an enclosure. It wasn't loud enough to be heard in a vehicle until after the day it stopped, then came back with a vengeance. I used a car stethoscope to listen and I can hear it on the house walls, trees, the ground outside.
What they reported
Pitch: 30 seems to match, also 60, Sine
Loudest: During the night
Where: Indoors
Symptoms: Ear discomfort (pain, fullness, throbbing), Headache, Insomnia, Nausea, Sense of vibration
Changes with weather: It used to, seemed maybe louder in colder weather or when raining
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Low frequency modulating hum Used a stethoscope on water line, gas line, walls, concrete floors and turned electricity off thinking it was something running in the attic. We had bought this …
the accounts read alike, found by meaning rather than by shared details
Low frequency - sounds like an airconditioning unit or low frequency diesel truck in the distance. Is louder sometimes than other. Sometimes really loud - particularly at night when everythi…
the accounts read alike, found by meaning rather than by shared details
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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