Spectrogram Gallery

Browse archived Schumann resonance spectrograms. Each image captures Earth's electromagnetic heartbeat at a specific moment in time.

Live · April 25, 2026

Tomsk Observatory
Live Schumann Resonance spectrogram from Tomsk for April 25, 2026

Source: Russian Academy of Sciences, Tomsk State University. Updates every minute. The fundamental 7.83 Hz resonance is visible at the bottom of the spectrum.

Archived Spectrograms