A seismometer detects the earthquake vibrations that the seismograph records.
Seismograph
A seismometer.
The strainmeter, by which its seismometer component detects the vibrations or shock waves that its seismograph records, is the scientific instrument that's used to predict and measure earthquakes.
Seismometer
Do you mean seismograph? A seismograph, originated by the Chinese,I think, detects earthquakes.
a seismograph
Philippine Institute of Volcanology and Seismology- it detects earthquakes and it's magnitude
A seismometer or seismograph
Seismograph.
A seismometer is used to measure the strength of earthquakes.
A seismometre detects seismic impulses in other words it basically measures earthquakes
A seismograph is one such instrument...there might be others.