| Clue | Source | Date |
|---|---|---|
| Quake tool | ||
| An earthquake detector | The Times Specialist Sunday | 13 Nov 2022 |
| Measurer of earthquakes | The Telegraph Quick | 23 May 2018 |
| Visionary comprehends one's short time, satisfied it will show upheaval | The Telegraph Toughie | 22 Jul 2016 |
| Device recording our planet's movements |