Schumann Resonance FAQ: Your Questions Answered

Straight Answers to Common Questions

We get a lot of the same questions. Fair enough — the Schumann Resonance sits at this strange intersection of hard physics and speculative wellness, and most sources online are either too technical or too mystical to be useful. Here's our attempt at straight answers.

What is the Schumann Resonance?

Electromagnetic standing waves in the cavity between Earth's surface and the ionosphere, about 60 km up. Lightning — roughly 100 strikes per second worldwide — pumps energy into this cavity, and the waves that reinforce each other settle at a fundamental frequency of 7.83 Hz, with harmonics at 14.3, 20.8, 27.3, and 33.8 Hz. Predicted by physicist Winfried Otto Schumann in 1952 (published in Zeitschrift für Naturforschung A), confirmed experimentally by Herbert König the next year. It's been measured continuously ever since.

| Property | Value |

|----------|-------|

| Fundamental frequency | 7.83 Hz |

| Harmonics | 14.3, 20.8, 27.3, 33.8 Hz |

| Cavity height | ~60 km (Earth surface to ionosphere) |

| Earth circumference | ~40,000 km |

| Signal strength | Picotesla range |

| Primary driver | Global lightning (~100 strikes/sec) |

| Predicted | 1952 by W.O. Schumann |

| First measured | 1954 by Herbert L. König |

For a full explanation, see our Schumann Resonance introduction.

Can you actually feel it?

Not the way you feel heat or pressure. The field strength is in picotesla — absurdly weak. But the frequency sits right in the alpha-theta brainwave range, and some researchers think our nervous systems may respond to changes in this background signal. People do report sleep disruption, mood shifts, and heightened sensitivity during periods of elevated activity. Whether that's direct electromagnetic sensitivity or downstream effects of other geomagnetic changes is still being sorted out.

Burch, Reif, and Yost (1999, Neuroscience Letters) documented reduced melatonin excretion during geomagnetic storms in a study of 127 workers — one of several studies suggesting a real biological interaction, even if the mechanism remains debated.

Is it rising? I keep seeing posts about this.

No. The fundamental frequency is 7.83 Hz because the planet is 40,000 km around and the ionosphere is 60 km up. Those haven't changed. What people are seeing in dramatic spectrogram screenshots is usually amplitude spikes (louder, not higher-pitched), temporary frequency shifts during geomagnetic storms (real but reversible), or activity at inter-harmonic frequencies that get misread as the fundamental moving. Nickolaenko and Hayakawa addressed this thoroughly in their 2002 monograph Resonances in the Earth-Ionosphere Cavity (Kluwer Academic) — the fundamental frequency has remained stable across decades of monitoring data.

What causes it to change intensity?

Solar activity is the biggest driver — coronal mass ejections and solar wind compress the ionosphere and push amplitude up. Global lightning patterns shift with seasons (the Amazon, Central Africa, and Southeast Asia take turns being the loudest). The Kp index — a 0-9 measure of geomagnetic disturbance — tracks closely with Schumann changes. And there's a daily cycle: global lightning peaks in the afternoon UTC and drops overnight.

How do you measure something this weak?

Extremely sensitive magnetometers in electromagnetically quiet locations — far from cities, power lines, industry. The instruments detect magnetic field variations in the 3-60 Hz range and display them as spectrograms. SunGeo uses six stations across three continents: Tomsk (Russia), ETNA Observatory (Sicily), Cumiana (near Turin), BGS Eskdalemuir (Scotland), and two HeartMath Institute GCI stations in California (USA) and Alberta (Canada). Six stations means we can cross-validate — if all six spike, it's real. If only one does, it's probably local noise. Our monitoring guide explains the full pipeline.

Does it affect sleep?

The evidence points to yes, at least for some people. Studies have found correlations between geomagnetic storms and fragmented sleep, altered REM patterns, and shifted melatonin timing. The mechanism likely involves magnetite crystals in the pineal gland responding to magnetic field changes. Not everyone notices equally — estimates suggest 10-15% of people are notably responsive. If you're a "sensitive sleeper" with unexplained bad nights, geomagnetic activity is worth checking. The sleep guide covers this in detail.

What do Calm, Elevated, Active, and Storm mean?

Our four status levels, based on AI analysis of the latest spectrogram from six monitoring stations:

• Calm (score 0-39) — all bands dark and steady, nothing happening
• Elevated (score 40-59) — one or two bands showing moderate activity
• Active (score 60-79) — multiple bands lit up, possibly with non-standard frequency peaks
• Storm (score 80-100) — high amplitude across the board, harmonics blurring together

The score gives you the gradient between these categories. The Earth Core visualization — six concentric rings on the homepage — maps score, frequency stability, amplitude, quality factor, Kp, and lunar phase into a single image you can read at a glance. The ring guide explains each layer.

What's the Kp index?

According to NOAA's Space Weather Prediction Center, the Kp index is the global standard for geomagnetic activity, updated every three hours from 13 observatories worldwide. Scale of 0 (dead quiet) to 9 (extreme storm). It measures disturbances in Earth's magnetic field caused by solar wind. On our Earth Core visualization, it's Ring 5 — the outermost data ring. Kp above 5 is an official geomagnetic storm. It's the best leading indicator of what the Schumann Resonance will do next — when Kp rises, the resonance usually follows within hours. Full breakdown: Kp index guide.

| Kp Level | Status | Effect on Schumann Resonance |

|----------|--------|------------------------------|

| 0-1 | Quiet | Baseline. Clean spectrograms |

| 2-3 | Unsettled | Minor amplitude increase |

| 4 | Active | Multi-band activity visible |

| 5 | Minor storm | Amplitude jump, sleep effects reported |

| 6-7 | Moderate storm | Active to Storm. Bright spectrograms |

| 8-9 | Severe storm | Extreme. Harmonics lost in broadband noise |

Is it the same everywhere on Earth?

The standing waves circle the whole planet, so in principle yes. In practice, measured intensity varies by location because of local electromagnetic noise, station sensitivity, and proximity to lightning centers. That's exactly why we run six stations — cross-validation separates the global signal from local artifacts.

Can 7.83 Hz music replicate it?

Electromagnetically, no. Sound and electromagnetic waves are completely different phenomena. But binaural beats at 7.83 Hz can encourage alpha-theta brainwave activity through auditory entrainment — a real effect, albeit modest. The benefit comes from brainwave synchronization, not from coupling with Earth's field. Anyone claiming their audio track connects you to the planet's electromagnetic pulse is confusing the physics.

How does SunGeo's score work?

Our AI analyzes the latest spectrogram from each active station, assessing amplitude across all five harmonics, frequency stability, spectral quality, and agreement between stations. The result is a single score from 0 to 100, cross-validated against pixel-level analysis of the raw spectrogram to prevent the AI from underestimating activity when the image clearly shows high readings.

The pixel analysis acts as a floor — the AI can rate conditions higher than the pixels suggest, but never lower. This prevents false calm readings during genuine storms. The monitoring guide explains the full technical pipeline.

What about the Moon ring on Earth Core?

Ring 6 — the outermost ring on the Earth Core — shows current lunar illumination. The Moon doesn't directly drive the Schumann Resonance, but lunar phase correlates weakly with geomagnetic activity (through tidal effects on the magnetosphere) and more notably with sleep quality. A 2021 study in Science Advances by Casiraghi et al. found that sleep onset delays and total sleep decreases in the 3-5 days before full moon — independent of moonlight exposure. We include it because the full electromagnetic and astronomical picture is more useful than any single variable.

Is this real science or pseudoscience?

The Schumann Resonance itself is established physics — predicted in 1952, confirmed in 1954, monitored continuously ever since. The biological effects are where it gets complicated. Some claims (melatonin disruption during geomagnetic storms) have genuine peer-reviewed support. Others (the resonance "rising to 36 Hz," crystals amplifying the frequency, "consciousness shifts") have none. We report what the monitoring data shows and cite the research that exists. We don't fill gaps with speculation.

Where do I see live data?

You're in the right place. The homepage for the current status and Earth Core visualization. The dashboard for spectrograms, history, station comparison, and solar data. The solar conditions page for real-time Bz, wind speed, and flare activity. The /api/current endpoint for JSON if you're a developer. Everything updates roughly hourly.