Schumann Resonance Live
Real-time monitoring of the Schumann resonance — standing electromagnetic waves pulsing between Earth's surface and the ionosphere, driven by global lightning activity.
Today's Insight
Full Spectrum Overview
Active resonance — elevated band intensity detected. Local lightning bursts visible. Data gaps present in today's record.
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Frequency Tracking
Fundamental at 7.85 Hz — within normal range.
Amplitude (Signal Power)
F1 amplitude at 2.1 — typical signal power.
Q-Factor (Cavity Quality)
Q-factor at 9.8 — above nominal, exceptionally clean resonance conditions.
Frequently Asked Questions
Understanding the science behind the data displayed above.
About Schumann Resonances
Key numbers and background science.
Background
Schumann resonances are peaks in the extremely low frequency (ELF) electromagnetic spectrum, generated by the approximately 2,000 thunderstorms continuously active around the globe. Lightning discharges excite the natural waveguide formed between the conducting Earth surface and the ionosphere.
Predicted by physicist Winfried Otto Schumann in 1952 and experimentally confirmed in 1954, these resonances serve as a tool for studying global lightning activity, ionospheric variability, solar-terrestrial coupling, and as a climate change indicator. This dashboard provides near-real-time spectrogram data refreshing every two minutes.
Harmonic Modes Reference
| Mode | Freq | Name | Note |
|---|---|---|---|
| 1st | 7.83 Hz | Fundamental | Strongest and most stable mode |
| 2nd | 14.3 Hz | Second harmonic | Sensitive to day-night asymmetry |
| 3rd | 20.8 Hz | Third harmonic | Weakens during solar flares |
| 4th | 27.3 Hz | Fourth harmonic | Broad, harder to resolve |
| 5th | 33.8 Hz | Fifth harmonic | Weakest tracked mode |