An open record of things people cannot explain

USA, Lomita 90717 · 2018-04-28 · from the WORLDHUMMAP archive

A low hum in USA, Lomita 90717

Sounds like obnoxious constant low, deep droning turbine, pump or some sort of machinery motor of some sort and it sounds as if it�s coming from deep underground. Rarely ever changes in intensity (and when it seems like it, it may be just ambient sound making it more difficult to hear) nor does it have an ascending or descending auditory component to it. I thought I was crazy for years until I met others that could hear the sound. I�d rather the sound be natural from Mother Earth but I have deep suspicions it is reverberations of man made machinery such as underground pumps, turbines, transformers or something similar sending sound vibrations that only few can hear. For me, it�s almost like I feel it as well. It is obnoxious and obviously most noticeable at night when one gets into bed and lays quietly. With almost all of mankind�s other noise at a minimum it�s so easy to hear then and seems overwhelmingly louder. Alternatively, trying to meditate quietly during the day will result in the same frustration. I wish it could end. I�m just glad everyone doesn�t have to suffer hearing it but maybe if they all did we would do something about it as scientists and figure it out instead of labeling people crazy. it can�t be healthy physically. It certainly isn�t healthy emotionally!

What they reported

First noticed: Before 1990

Pitch: 50

Loudest: During the night

Where: Indoors

Symptoms: Insomnia

Changes with weather: Not that I�ve noticed

What stood out: a low hum

 

Others who described something like this

2018-10-06

Low frequency hum, always same frequency, I'd estimate around 50hz (at least my perception). I only hear it at/in my home, if I'm at another location, I don't think I've ever heard of it.

both described a low hum

2018-05-24

Low pitch hum estimating around 50-100hz The sound is not a perfect pure tone, and has slight volume changes, it sounds similar to the hum of a fan motor. I have driven around in an attempt

both described a low hum

2018-09-30

A low frequency Hum sound that fluctuates subtly but for the most part is steady The Hum is a low frequency and droning sound and it kind of fluctuates in tone.. almost like an idling diesel

both described a low hum

2018-02-21

Very low-pitched continuous drone. Pitch rises and falls slightly but can remain steady at times. Inaudible to my wife. Reminiscent of the hum from a large transformer/sub station but there

both described a low hum

2018-12-05

Low, soft rumble - as if a large truck were idling in the distance - it varies, but not rhythmically - I can almost "feel" the vibrations. Most predominantly at night, in the bedroom on the

both described a low hum

2018-10-18

Low hum, sometimes pulsating, sometimes not. It is very loud. It sounds like a propeller airplane way off in the distance, but it doesn�t go away. Or an 18-wheeler on a busy freeway,

both described a low hum

2019-10-09

Low, deep, bassy oscillating hum. It�s not very loud but it sounds like it�s covering a wide area and it�s hard to get away from. It sounds �large� if that makes any

the accounts read alike, found by meaning rather than by shared details

2019-01-23

Well it�s quite frustrating because I hear a sound that goes between the sound of a dentists drill and that of my dads pickup truck but at night it�s like I can hear both at once a

the accounts read alike, found by meaning rather than by shared details

2018-02-12

An endless, distant low rumbling like the sound of a truck engine, but much quieter. It�s not terrifyingly loud but I can�t help but notice it. When I�m focused on something,

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.