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> I've heard it as far as 20mi/30km away from a shipping lane in the US Have you taken a look at The World Hum Map (linked from the article)? There are a lot o
by quicklime 6y ago
> I've heard it as far as 20mi/30km away from a shipping lane in the US
Have you taken a look at The World Hum Map (linked from the article)? There are a lot of data points that are deep inland, way more 30 kms. For example there points in the Australian outback, and all through the "flyover states" in the US.
- withinboredom 6y agoI did, a lot of cities are near navigable rivers that barges go down. I don't think all hums are boats, but I'd be willing to venture that most near waterways are.