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The trouble is, you may only hear it if youre literally on top of it. its not something that resinates across the entire ocean and it depends on the thermal layers, how cold it is in the ocean, what temperature layers you have in the ocean, that can all inhibit the area of sonar, the hydrophones being dragged by ships, to pick up the sonar ping. in this area, the depth is another huge factor. were talking about two to three miles deep. interestingly, though, while theres a mountain range in this...