Cumiana, Piedmont, Italy (44.97°N, 7.39°E)
IK1QFK Home Observatory, Renato Romero
Right now
Cumiana: 35 · global avg: 60
Quieter than: Etna (75), Eskdalemuir (55), California (75), Alberta (85)
Latest Spectrogram
2nd harmonic frequency tracker only
Hey there! This past week at our Cumiana station has been quite lively, with some really energetic spikes reaching up to 95! We also had a good number of quieter moments, but it was definitely the 38 readings that shot above 80 that caught our attention, making for a pretty interesting week of Schumann Resonance activity.
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Open aimag.me30-day hourly activity
Each cell is one UTC hour. Click any active cell to explore that day.
Notable events (last 30 days)
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85
View day →2026-05-18
At the rightmost edge of the chart, the ULF and ELF noise lines show a sharp, near-vertical increase in signal amplit…
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85
View day →2026-05-14
At the rightmost edge, the ULF and ELF noise lines show a sudden, intense vertical excursion reaching toward the -20 …
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85
View day →2026-05-14
The rightmost portion of the chart shows a sharp, vertical surge in ULF noise (purple) peaking near the top of the sc…
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85
View day →2026-05-14
At the rightmost edge of the chart, the ULF (purple) and ELF (pink) noise levels show a dramatic, near-vertical surge…
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85
View day →2026-05-14
At the rightmost edge of the chart, all signal lines (purple, pink, green, and cyan) show a sudden, near-vertical asc…
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85
View day →2026-05-10
At the extreme right of the chart, the ULF (purple) and ELF (pink) noise lines show a sudden, sharp vertical ascent t…
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85
View day →2026-04-29
At the extreme right edge of the chart, the purple (ULF) and pink (ELF) noise lines show a dramatic vertical increase…
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75
View day →2026-05-18
At the rightmost edge, the purple ULF noise line shows a sharp, intense upward spike reaching approximately -28 dB. T…
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75
View day →2026-05-18
At the rightmost edge, the ULF noise (purple) is highly elevated near -30 dB, indicating a sharp increase in activity…
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75
View day →2026-05-18
At the rightmost edge, the ULF noise (purple) shows a marked elevation, while the 2nd Schumann resonance frequency (y…
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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.
