An open record of things people cannot explain

Tacoma wa · 2018-05-24 · from the WORLDHUMMAP archive

A low hum in Tacoma wa

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 to find the sound with no luck. There is a grain elevator on the water at comencement bay that is my best guess as the cause.

What they reported

First noticed: 2018

Pitch: 30hz square wave

Loudest: During the night

Where: Equal indoors and outdoors

Symptoms: Insomnia;Sense of vibration;Anxiety

Changes with weather: Not that I have noticed

What stood out: a low hum

 

Others who described something like this

2018-12-05

sounds like low frequency buzzing noise that comes from all directions the day after i started hearing it, my neighbor about 3 houses up from me called me over to ask what this noise was tha…

both described a low hum

2018-05-17

Low hum. Sounds like it could be a fridge or some other technology or a neighbour's bathroom/kitchen fan but isn't anything that I can find. Hear it at night very loud but also recently one …

both described a low hum

2018-08-26

Low frequency distant vibration, resembling plane engine or purring of a cat. The sound (a humming vibration) is not constant, it comes and goes. It is not a linear/constant sound, it is sli…

both described a low hum

2018-01-31

A lower hum that does increase in volume at times. It stays at a steady pace but, at times can change to a different pattern of wave. It will then go back to the original. It's like a "voooo…

both described a low hum

2018-07-24

distant vibration sounding noise, sounds pulsating. woke me up because when i put my head on my pillow it gets louder, like my pillow acts as a medium from something below me that i can hear…

both described a low hum

2018-05-15

Very low frequency rumbling, like an engine idling at a distance I put together a simple experiment: connected microphone to PC and downloaded some free spectrum analyzer software. In range …

both described a low hum

2019-01-10

The sound is best descibed as deep vibration or low hum that sounds like it is from an engine or truck, but the sound seems to be travelling through a medium as a vibration. Sometimes it flu…

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

Keep reading

There are thousands more like this in the record. Open one at random, or read the ones the most people recognise.

Read anotherMost recognised

Or if something like this happened to you, write it down and we will look for the others who saw it too.

Know someone this happened to?

If this reminds you of something a friend or a relative told you once and never mentioned again, send them this page. Reading that a stranger described the same thing is usually the part that helps.

By emailBy text

Nothing is tracked back to you and nothing is sent on your behalf. The link is just the page you are reading.

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.