Answer:

The Richter scale calculates an earthquake's magnitude (size) from the amplitude of the earthquake's largest seismic wave recorded by a seismograph. On the original Richter scale, the smallest earthquakes measurable at that time were assigned values close to zero on the seismograph of the period.

Explanation:

hope it helps❤ (correct me if im wrong)

Answer:

Moment Magnitude Scale

Moment Magnitude Scale- A rating system that estimates the total energy released by an earthquake can be used to rate earthquakes of all sizes near or far.

Explanation: