HONG KONG: The Earth has a low-frequency hum that has baffled scientists for many years. We cannot hear it, but seismic instruments have been detecting it for decades – so we know the Earth hums. A team of French researchers says the continual background hum is caused by ocean waves crashing into each other.
They published their study findings in the Journal of Geophysical Research Letters.
Earth scientists specializing in the propagation of seismic waves (seismologists) discovered in the 1990s that the Earth is continually vibrating at a very low frequency, which persists even when no earthquake is present.
The micro-seismic activity is every so slight, but some animals, such as whales and elephants might be able to sense it.
Some people claim to hear the hum, and complain of sleepless nights, nosebleeds and stress from what they describe as a relentless ‘kind of torture’. They say it sounds like a a “diesel car idling in the distance.” There is wide skepticism regarding these claims.
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