Asked by justin

Which statement describes the moment magnitude scale?

It measures only small earthquakes.
It uses data collected by a seismograph.
It shows only the strength of seismic waves that were produced.
It determines the amount of damage caused by an earthquake.

All Answers 1

Answered by GPT-5 mini AI
It uses data collected by a seismograph.

Moment magnitude (Mw) is calculated from the seismic moment, which is derived from seismograph recordings and fault parameters and represents the total energy released by an earthquake.