What is the ultra sensitive device to monitor dirt happenings call?

Give the baptize of that object.

Answer:
seismograph measures earthquake, tremors, etc on the Richter scale
I reckon you mean a seismometer, or a seismograph.
sorry, the given name is classified, please contact NSA for clarification.
sizemograph"might not be correct spelling"
Seismograph
A seismograph

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