Related Clues:
- Bay Area geological event
- A 2 or 3 on the Richter scale, maybe
- Tremble at fault's failing
- Quake possibly more in extremes of terror
- Quake in the centre — more or less
- Minor earthquake
- Shudder - quake
- Tremble (in one's boots?)
- Shake of the earth
- Quavering
- Vibrate
- Involuntary shudder
- It's measured on the Mercalli scale
- Still and all, it isn't a touch of the shakes
- California vibration