Clue | Source | Date |
---|---|---|
In the main, it’s a source of upheaval | The Times Cryptic | 14 Nov 2023 |
Big ocean motion | Eugene Sheffer | 24 Nov 2021 |
In the main it constitutes a seismic convulsion | ||
Cause of a tidal wave | USA Today | 14 Aug 2017 |
Cause of a tidal wave | ||
Tsunami cause, perhaps | ||
Deep shaking | ||
Source of some big waves | ||
Tsunami cause | ||
Sub shaker |