Answer:

QUAKE

Answer	Crossword Clue
QUAKE	Seismic jolt
QUAKE	Seismic activity
QUAKE	Imitate aspens

QUAKE	Temblor
QUAKE	Event in tectonics
QUAKE	Seismology subject
QUAKE	Tremor
QUAKE	Show trepidation
QUAKE	Earth mover
QUAKE	Earth tremor
QUAKE	Show fear

QUAKE	Tremble
QUAKE	Product of a fault
QUAKE	Seismic event
QUAKE	Earthshaking news?
QUAKE	Earthshaking event
QUAKE	Earth-shaking event?
QUAKE	Show fear, in a way
QUAKE	Seismograph detection

QUAKE	Seismograph reading, briefly
QUAKE	Earthmover?
QUAKE	Fault concern
QUAKE	Fault product
QUAKE	Seismograph triggerer
QUAKE	Shudder
QUAKE	Betray fright
QUAKE	Cereal that lost to Quisp in a 1970s contest

QUAKE	Tremble, as in fear
QUAKE	Shiver.
QUAKE	Shudder.
QUAKE	Disaster in Ecuador, Aug. 5, 1949.
QUAKE	Tremble.
QUAKE	Vibrate.
QUAKE	Tremor.
QUAKE	Temblor.

QUAKE	Seismologist's concern
QUAKE	Richter-scale item
QUAKE	Tragic 1980 event in Italy
QUAKE	It can move mountains
QUAKE	Seismic occurrence