Answer:

aftershock

Answer	Crossword Clue
AFTERSHOCK	Where this is?
AFTERSHOCK	Earthquake follow-up
AFTERSHOCK	Earthquake postscript

AFTERSHOCK	Repercussion
AFTERSHOCK	WHERE'S THE WAVE?
AFTERSHOCK	Earthquake "echo"
AFTERSHOCK	Like wave or treatment
AFTERSHOCK	Van Halen song that resonates?