| Hint | Answer | % Correct |
|---|---|---|
| Thought to be caused by ice quakes | the Bloop | 100%
|
| Thought to be caused by a large iceberg that had run aground off Antarctica | Julia | 50%
|
| Thought to be caused by a very large iceberg grounded in the Ross Sea | Sea train | 50%
|
| Thought to be caused by underwater volcanic activity | Upsweep | 50%
|
| Thought to be caused by underwater volcanic activity | Whistle | 50%
|
| Thought to be caused by the friction of a large ice sheet moving over land | Slow down | 0%
|