http://www.wired.com/wiredscience/2009/08/hummingearth/
"You can’t hear it, but the Earth is constantly humming. And some parts of the world sing louder than others.
After discovering the mysterious low-frequency buzz in 1998, scientists figured out that the Earth’s hum is caused not by earthquakes or atmospheric turbulence, but by ocean waves colliding with the seafloor......."
Not surprisingly, it seems to be coming from North American Pacific Coast.
The cure for a fallacious argument is a better argument, not the suppression of ideas.
-- Carl Sagan