GEOLOGY

Detailed explanation-1: -Seismographs are instruments used to record the motion of the ground during an earthquake. They are installed in the ground throughout the world and operated as part of a seismographic network.

Detailed explanation-2: -Seismograph is the instrument that records the tremors of an earthquake. This instrument also helps seismologists to map the interior of the Earth.

Detailed explanation-3: -A seismograph is an instrument that measures and registers seismic waves that travel through the Earth as the outcome of an earthquake.

Detailed explanation-4: -The correct answer is Seismograph. A seismograph is an instrument used to detect and record earthquakes.

Detailed explanation-5: -The Richter scale is used to rate the magnitude of an earthquake, that is the amount of energy released during an earthquake. On the other hand, a seismograph is an instrument used to detect and record seismic waves.