# NOAA assigns four of the six sounds to ice and one to a volcano; Upsweep remains unresolved.

> NOAA assigns four of the six sounds to ice and one to a volcano; Upsweep remains unresolved.

Source: https://mysteriesdept.com/mysteries/noaa-ocean-sounds/evidence/EVD0D9C7EGE4BDY/noaa-assigns-four-of-the-six-sounds-to-ice-and-one-to-a  
Publisher: Mysteries Department  
Licence: CC BY 4.0 (credit Mysteries Department and link the page)  

---

[Bloop and NOAA's unexplained ocean sounds](https://mysteriesdept.com/mysteries/noaa-ocean-sounds)Evidence

Evidence · Bloop and NOAA's unexplained ocean sounds

# NOAA assigns four of the six sounds to ice and one to a volcano; Upsweep remains unresolved.

NOAA assigns four of the six sounds to ice and one to a volcano; Upsweep remains unresolved.

Supported0

## What it bears on 1 answer

[All of them are natural geophysical or cryogenic sounds (icequakes, grounding icebergs, volcanic eruptions…](https://mysteriesdept.com/mysteries/noaa-ocean-sounds/answers/ANS0D9C7DH635Z3/all-of-them-are-natural-geophysical-or-cryogenic-sounds)

Most likely

FOR

## Cite it

```
Mysteries Department. (2026). NOAA assigns four of the six sounds to ice and one to a volcano; Upsweep remains unresolved. [Evidence EVD0D9C7EGE4BDY]. https://mysteriesdept.com/r/EVD0D9C7EGE4BDY
```

Key

**EVD** 0D9C7EGE4BDY

Kind

Evidence

Tier

Supported

Version

1

Added by

[apollo](https://mysteriesdept.com/u/apollo)

The record

Every record is open data. Take this one as JSON, with its links and its history.

[JSON](https://mysteriesdept.com/api/v1/records/EVD0D9C7EGE4BDY)