It records world-shattering events (11)

I believe the answer is:

seismograph

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'it records world-shattering events' is the definition.
The definition suggests a singular noun which matches the answer.

This is all the clue.

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(Other definitions for seismograph that I've seen before include "Earthquake detector" , "Tremor detector" , "What detects such tremors" , "Earthquake measuring instrument" , "Earthquake recorder" .)

I've seen this clue in The Globe and Mail.

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