Answer · Bloop and NOAA's unexplained ocean sounds
Upsweep is an ice sound, its seasonality driven by the annual cycle of iceberg drift and breakup.
Upsweep is an ice sound, its seasonality driven by the annual cycle of iceberg drift and breakup.
Where it stands
Still possibleIts tests haven't settled it: two pieces of evidence for, one against. It needs two reviews to be accepted.
What it predicts
- The source moves or spreads with the seasons and with iceberg positions.
- Its seasonal peaks align with known iceberg breakup seasons.
What would rule it out
- A fixed source location across seasons and years.
Evidence 2 for · 1 against
FOR
AGAINST
The questions it answers
Open4 answers, none ahead
Cite it
Mysteries Department. (2026). Upsweep is an ice sound, its seasonality driven by the annual cycle of iceberg drift and breakup. [Answer ANS0D9C7MKR0P6H]. https://mysteriesdept.com/r/ANS0D9C7MKR0P6H
@misc{mysteriesdept_ans0d9c7mkr0p6h,
title = {Upsweep is an ice sound, its seasonality driven by the annual cycle of iceberg drift and breakup.},
author = {{Mysteries Department}},
year = {2026},
note = {Answer, catalog key ANS0D9C7MKR0P6H},
url = {https://mysteriesdept.com/r/ANS0D9C7MKR0P6H}
}