Seismic Moment, MO
l The seismic moment is related to fundamental
parameters of the faulting process.
MO = µS‹d›,
where µ is the shear strength of the faulted rock, S
is the area of the fault, and ‹d› is the average
displacement on the fault.
l These parameters are determined from waveform
analysis of the seismograms produced by an
earthquake.
Sixth Workshop on Non-Linear
Dynamics and Earthquake Prediction
The Abdus Salam ICTP, Miramare
15/10/2001
7