Crossword Genius

Trembling or shake following ends of seismic event? (10)

Ross

I believe the answer is:

aftershock

I'm a little stuck... Click here to teach me more about this clue!

'trembling or shake following ends of seismic event?' is the definition.
I can't judge whether this defines the answer.

'trembling or shake following ends of seismic event?' is the wordplay.
'trembling' indicates an anagram.
'following' is a charade indicator (letters next to each other).
'ends' suggests the final letters.
The last letters of 'of seismic event' are 'fct'.
'or'+'shake'='orshake'
'orshake' put after 'fct' is 'fctorshake'.
'fctorshake' anagrammed gives 'AFTERSHOCK'.

Can you help me to learn more?

(Other definitions for aftershock that I've seen before include "that causes another little wobble" , "Further tremor following quake" , "Ground-breaking" , "no great shakes" , "Secondary earth tremor" .)

I've seen this clue in The Independent.
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