seismograph is generally used to measure earthquakes.
The Seismograph is used to measure the Magnitude of an earthquake.
PAGASA used richter scale to measure the intensity of an earthquake
Earthquake measure
The Richter magnitude scale is used to measure the strength of an earthquake.
richter scale
A seismograph.
Seismometer
seismograph
A device used to measure the strength of an earthquake
You use a seismograph to measure the strength of an earthquake.
The instrument that is used to measure the magnitude of an earthquake is a seismometer.
The scale used to measure the strength of an earthquake is called the Richter scale