Our planet emanates a constant rumble far below the limits of human hearing. Here are some articles about the ‘hum’, earth ‘singing’, moon hums, and earth “hiss”!
Discovered in 1998 this low level “hum” was thought to perhaps be caused by disturbances in the ocean or atmosphere. Scientists now suggest that the Earth’s hum is caused not by earthquakes or atmospheric turbulence, but by ocean waves colliding with the seafloor.
It will be interesting to see if there are other factors that are also involved with the hum. (The idea of the Earth humming or singing is not so new to many spiritual traditions.)
The Earth Is Humming—Here’s What It Means – National Geographic , Dec. 8, 2017
Mark Morford’s excellent April 2008 essay in SFGate on the Earth’s hum:
How to sing like a planet, Scientists say the Earth is humming. Not just noise, but a deep, astonishing music. Can you hear it?
“This is the kind of thing we forget.
This is the kind of thing that, given all our distractions, our celeb obsessions and happy drugs and bothersome trifles like family and bills and war and health care and sex and love and porn and breathing and death, tends to fly under the radar of your overspanked consciousness, only to be later rediscovered and brought forth and placed directly in front of your eyeballs, at least for a moment, so you can look, really look, and go, oh my God, I had no idea.
The Earth is humming. Singing…” (Read more)
Plasmaspheric Hiss: Space Sound Waves Around Earth, Akashganga Science Magazine, 7-18-17