Ireland, Naul · 2020-04-04 · from the WORLDHUMMAP archive
A low rumbling sound such as machinery running some distance away. I grew up in the Pacific Northwest in Oregon, both in Portland and Central Oregon. I never heard the hum until moving to Ireland in July 2019. Since then I've heard it most days and nights. Most recently I was hoping for a change in the hum with the recent lockdown and stay at home orders here in Ireland because of the Covid-19 outbreak. I thought if it were industrial/agricultural it might stop with people being off work and businesses closed, but it has been consistent throughout.
What they reported
First noticed: 2019
Pitch: 70hz
Loudest: During the night
Where: Equal indoors and outdoors
Symptoms: Ear discomfort (pain, fullness, throbbing), Insomnia, Sense of vibration
Changes with weather: No
What stood out: a low humrumbling
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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.
Anomaly