Q: What is the name of the instrument used for measuring earthquake intensity?
1 Richter Scale
2 Seismograph
3 Odometer
4 Speedometer
A: The correct answer is Seismograph.
According to the United States Geological Survey (USGS),
A seismograph, or seismometer, is an instrument used to detect and record earthquakes. 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. The earliest "seismoscope" was invented by the Chinese philosopher Chang Heng in A.D. 132.