Earth's Sonic Mysteries from Noise Addicts

 'If you listen closely, you’ll find that the earth is full of sounds.  Some are things that you hear every day, some are truly remarkable and some sounds hail from origins completely unknown.  What follows here is a list of “sonic mysteries” for your pleasure - many of them include audio.'

Strange an mysterious Sounds from the Earth - Mistpouffers,hum,bloop,Hell Hole,slow down,wow | Noise Addicts music and audio blog