Earthquake Focal Mechanisms and Waveform Modeling
Earthquake Focal Mechanisms and Waveform Modeling
Earthquake Focal Mechanisms and Waveform Modeling
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Moment Tensor Basics<br />
A moment tensor is a complete<br />
description of equivalent forces of a<br />
general seismic point source (Jost <strong>and</strong><br />
Herrmann, 1989) in an elastic<br />
medium(Shearer 1999).<br />
M =<br />
M<br />
<br />
<br />
M<br />
<br />
M<br />
11<br />
21<br />
31<br />
M<br />
M<br />
M<br />
12<br />
22<br />
32<br />
M<br />
M<br />
M<br />
13<br />
23<br />
33<br />
<br />
<br />
<br />
<br />
(Shearer, 1999)