Insights into earthquake source physics from high-frequency ... - IRIS
Insights into earthquake source physics from high-frequency ... - IRIS
Insights into earthquake source physics from high-frequency ... - IRIS
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Order of magnitude estimates of contributions<br />
T<br />
m 0 c*<br />
/ V 1<br />
0 ).<br />
/ V 1<br />
d 0 ) c*<br />
/ V2 0 ) c / c /.<br />
/ V 2<br />
m # *<br />
i<br />
ij<br />
c ijkl<br />
ij<br />
c ijkl<br />
T<br />
kl<br />
d # ) *<br />
kl<br />
c ).<br />
m / d 0 V1 / V<br />
) c .<br />
2<br />
Lab and seismic data suggests that C/)C during brittle failure may be ~0.5 or more<br />
(can be ~1 in explosions).<br />
Seismic data suggest that )./. during <strong>earthquake</strong>s is ~0.1-0.2.<br />
Unless V 1<br />
>> V 2<br />
, u damage > u trad !!!<br />
The DC component of u damage<br />
can be zero, so much of the radiation is<br />
expected to be in <strong>high</strong> <strong>frequency</strong> waves!
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