The _________Magnitude Scale, Better for the Largest Earthquakes, Is a Measure

Multiple Choice

The _________magnitude scale, better for the largest earthquakes, is a measure of the energy released as judged from the displacement on the fault, its surface area and the rock's shear strength. It can also be calculated from very long period seismograms.

A) moment magnitude
B) Pinochet
C) open ended Richter
D) modified Mercalli