Enter a clue or pattern or both:

The Clue

Seismologist's concern (10 letter answer)

The Answer

EARTHQUAKE

Tags


Notes

The answer EARTHQUAKE is rarely seen, appearing only about once every 2100 puzzles.

Related Clues

Californian's worry
Catastrophic event
Natural disaster
Richter-scale event
S.F. headline of 1906

Definition

EARTHQUAKE as a noun:

1. (earthquake, quake, temblor, seism) = shaking and vibration at the surface of the earth resulting from underground movement along a fault plane of from volcanic activity
2. a disturbance that is extremely disruptive; "selling the company caused an earthquake among the employees"