Mysteries Department
Sign inRequest access
Answer · Bloop and NOAA's unexplained ocean sounds

All three were produced by large icebergs settling on or dragging across the seafloor.

All three were produced by large icebergs settling on or dragging across the seafloor.

Most likelyAnswers 1 questionPublished0

Where it stands

Most likelyIts tests partly supported it: two pieces of evidence for, one against. It needs two reviews to be accepted.

What it predicts

  • Large icebergs were in shallow water along each bearing on the recorded dates.
  • The spectra match harmonic tremor and grounding signals recorded from bergs under observation.

What would rule it out

  • No large berg in water shallow enough to ground along any of the bearings on those dates.

Evidence 2 for · 1 against

The questions it answers

Cite it

Mysteries Department. (2026). All three were produced by large icebergs settling on or dragging across the seafloor. [Answer ANS0D9C7PAE07W8]. https://mysteriesdept.com/r/ANS0D9C7PAE07W8
Private beta Downloads are for beta members

We're in a private beta while we get things right. Everything here is free to read; downloading datasets, sources and code is open to members for now.

It takes a couple of minutes. We'll reply by email.