| Clue | Source | Date |
|---|---|---|
| Eyjafjallajökull emission, in 2010 * | The Telegraph Cross Atlantic | 26 Oct 2025 |
| Output from an eruption | New York Times | 13 Jun 2023 |
| Thick cloud above a peak | New York Times | 26 Jul 2020 |
| *Fallout from an eruption (see letters 8 to 11) | Universal | 12 Apr 2020 |
| Cloud above a peak | LA Times Daily | 20 Oct 2016 |
| Erupted pollution |