The Schumann Resonance is earth's natural electromagnetic heartbeat, created by lightning in the space between the surface and the ionosphere. Its main frequency, the 1st order, is 7.83 Hz, followed by the THE EARTH IS RINGING: The Schumann Spike & The Anaretic Sun! , Grand rising, beloveds! If you woke up feeling a sudden physical vibration or ringing in your ears, you are biologically translating Schumann Resonance (7.83 Hz) Earths Deep Hum & Natural Frequency for Sleep and Rest 12 Hours I've recently added a Schumann Resonance frequency generator into my treatment room This is often referred to as the Earth's natural frequency, a gentle, grounding vibration that exists naturally around us.