A seismograph
A seismograph is an instrument that measures and records earthquake waves.
Used to measure earthquake activity with sound waves.
An instrument that measures the shaking of the ground during an earthquake.
An instrument that measures the shaking of the ground during an earthquake.
A seismograph is an instrument used to measure movement of earthquake. It measures the seismic waves of that area.
The instrument that can measure the density of an earthquake is called an seismometer. The first seismoscope dates back to 132 AD.
It's a seismograph.
horsepower
A seismograph records the intensity measured by the Ritcher Scale.
force-meterfriction
A force-meter measures the force of an object pulled along a surface.
A spring scale :)