[Hootowl]

That was in 1997 and it was called the “Bloop.” Some scientists now believe it was the cracking of an ice shelf as it breaks up from Antarctica.

[21twelve]

That was in 1997 and it was called the “Bloop.”

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Thanks - but in listening to the things that come up on the internet it wasn’t that. There is one called the “upsweep” that has a bit of that “electronic” sound to it, but that isn’t what I recall either (I don’t think!?).

Regardless - lots of unexplained things down there. Pretty cool. (Until they eat you!)