AnomalyVibrazione di bassa frequenza, oscillatoria il più delle volte. All'interno delle mura domestiche la vibrazione viene amplificata. In Francia la vibrazione era udibile anche di giorno in una zona isolata e priva di rumori chiamata "rue des Cretes" tra La Ciotat e Cassis (Marseille).
Italia, Perugia 06131 · 2020-05-15 · from the WORLDHUMMAP archive
An account in Italia, Perugia 06131
What they reported
First noticed: 2015
Pitch: 78
Loudest: During the night
Where: Indoors
Symptoms: Ear discomfort (pain, fullness, throbbing), Insomnia, Anxiety, Depressione, irritabilità
Changes with weather: Non so rispondere
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This is a Hum report from Dr Glen MacPherson's World Hum Map, an open, worldwide record of people who hear an unexplained low-frequency hum. Reproduced with permission and with thanks; the project is at thehum.info. We remove anything on request. Location shown is approximate.