Cumiana, Piedmont, Italy (44.97°N, 7.39°E)
IK1QFK Home Observatory, Renato Romero
Right now
Cumiana: 35 · global avg: 47
Quieter than: Tomsk (45), Eskdalemuir (55), California (65)
Latest Spectrogram
2nd harmonic frequency tracker only
Hey there! This past week at our Cumiana station has been pretty mellow, with the Schumann Resonance staying mostly in a calm range. We saw a peak of 55, which is a nice little bump, but thankfully, nothing too intense or concerning popped up, keeping things nice and quiet overall.
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Notable events (last 30 days)
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85
View day →2026-09-10
At the rightmost edge, the ULF noise (purple) has surged dramatically to approximately -20 dB, indicating a sharp inc…
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85
View day →2026-09-08
At the rightmost edge, the purple ULF noise line surges sharply toward -20 dB, accompanied by a corresponding rise in…
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85
View day →2026-09-07
At the rightmost edge of the chart, the ULF noise (purple) has surged to approximately -40 dB, indicating a high-inte…
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75
View day →2026-09-18
At the rightmost edge, the ULF noise (purple) shows a pronounced vertical spike reaching approximately -28 dB. Simult…
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75
View day →2026-09-18
The rightmost edge of the chart shows a dramatic surge in ULF noise (purple line) peaking near -30 dB, indicating a l…
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75
View day →2026-09-16
At the rightmost edge, the ULF noise (purple) shows a volatile recovery after a major peak, while the 2nd Schumann re…
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75
View day →2026-09-16
The rightmost edge shows a dramatic surge in ULF noise (purple line) reaching -30 dB, indicating a localized disturba…
-
75
View day →2026-09-16
At the rightmost edge, the ULF noise (purple line) has surged significantly toward the -40 dB level. Simultaneously, …
-
75
View day →2026-09-10
At the rightmost edge, the ULF noise (purple) is elevated near -35 dB, while the ELF noise (pink) has risen to approx…
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75
View day →2026-09-10
At the rightmost edge of the chart, the ULF (purple) and ELF (pink) noise levels have risen sharply to approximately …
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Open calendarCumiana — the Piedmont observer
Cumiana captures Schumann resonance from northern Italy's Piedmont region, a quiet alpine valley shielded by the Cottian Alps.
Run by vlf.it (Renato Romero's IK1QFK home observatory), it produces a distinctive rainbow multistrip spectrogram that shows the full 0–43 Hz band — wider than most stations in our network.
The multistrip format captures not just Schumann harmonics but also sferics (distant lightning signals), giving it a unique profile during Mediterranean thunderstorm season. Visit vlf.it
Trust & authority
IK1QFK Home Observatory, Renato Romero
Operating since 2008 · 18 years of continuous monitoring
Research & publicationsFrequently asked questions
How does Cumiana measure Schumann resonance?
Cumiana uses a VLF coil (Marconi multistrip) that captures 0.2–43 Hz. The output is a daily stripchart with multiple 4-hour strips stacked vertically, published at vlf.it.
Why is Cumiana important to our network?
Cumiana shows the widest frequency range in our live network (0.2–43 Hz vs the usual 3–40 Hz) and catches sferics from distant lightning, giving us a richer view of Mediterranean electromagnetic weather.
When was its last major event?
Check the Notable events section above — it lists the top 10 highest-score events at Cumiana from the last 30 days, each linked to its full daily report.
How reliable is the data?
Cumiana is run by Renato Romero (IK1QFK), a veteran VLF researcher whose work is referenced in academic literature. The station has been operating since 2008. We cross-validate readings against other network stations.
Where does the raw data come from?
Raw spectrogram images come from vlf.it (last-marconi-multistrip-slow.jpg). We download, analyze and cache them as they update. Visit vlf.it for the full feed and background on the instrumentation.
