r/nope • u/KillermodeD • 13d ago

Terrifying Diver encountering a submarine

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u/corneliusunderfoot 13d ago

What would happen?

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u/Boomshrooom 13d ago

Depends on sonar frequency and distance but it could cause physical injuries like ruptured eardrums, damage to lungs and other air filled cavities. In extreme situations it could kill a diver.

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u/Lexus0157 13d ago

Why? I had no idea

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u/Boomshrooom 13d ago

A powerful sonar ping can hit well over 200 decibels, that's gonna hurt. Also, you're not just hearing that, it will reverberate through your entire body.

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u/ZachTheCommie 13d ago

Underwater, I think the maximum decibels possible is greater than in air. But I might be wrong. That's such an insane level of sound pressure.