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2015-01-25T19:47:35+05:30
Seismometer is used in mesuring earthquakes.
2 5 2
mark mine plz i said it first
you can use richter scale also
is it
it is seismometer
if you dont know please check in net also
2015-01-25T20:27:00+05:30
Seismograph is the instrument used for measuring an earthquake.
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