An open record of things people cannot explain

USA, Texas · 2018-04-09 · from the WORLDHUMMAP archive

A low hum in USA, Texas

a very low frequency hum in two different specific frequencies. The hum switches back and forth between the two frequencies intermittently. When the environment I'm in has other noises the hum is masked by the louder noises, however when I'm in a quiet environment I can almost always hear the hum.

What they reported

First noticed: 2017

Pitch: The two frequencies seem to be below 100 mhz

Loudest: During the night

Where: Indoors

Symptoms: a bit of nervousness

Changes with weather: not that im aware of yet

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

2018-03-17

A hum the same sound as from a sub woofer in an expensive sound system. I hear the hum inside my car as soon as I turn off the ignition after parking and when it gets real quiet. I hear th

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

2018-02-25

Low frequency hum The hum is loudest inside the house but sounds like it is coming from outside. When I go outside it is still audible but less so with ambient noise and I cannot determine a

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

2018-04-13

low hum and high fan sound Some people experience the hum in my house as coming from the cell towers but I hear the hum and it pulses. Sensitive people dislike it to be in my house. Where ra

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.