SCEC Annual Meeting - ITR 09/17/021 Numerical Modeling Using Finite Difference Techniques

SCEC Annual Meeting - ITR 09/17/022 Modeling of Wave Propagation and Ground Motion

SCEC Annual Meeting - ITR 09/17/023 M Landers M Northridge

SCEC Annual Meeting - ITR 09/17/024 When: 28 June 1992 Where: Mojave Desert Damage: $56 million Deaths: 1 Injured: > Landers

SCEC Annual Meeting - ITR 09/17/ Northridge When: 17 Jan 1994 Where: San Fernando Valley Damage: $20 billion Deaths: 57 Injured: >9000

SCEC Annual Meeting - ITR 09/17/026 Objective: Mitigate loss of life and property in future large events

SCEC Annual Meeting - ITR 09/17/027 Subsurface Model

SCEC Annual Meeting - ITR 09/17/028 M7.5 San Andreas from south-east Fault-parallel

SCEC Annual Meeting - ITR 09/17/029 M7.5 San Andreas from north-west Fault-parallel

SCEC Annual Meeting - ITR 09/17/0210 3D/1D peak velocity ratios

SCEC Annual Meeting - ITR 09/17/0211 Validation: 1994 Northridge

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SCEC Annual Meeting - ITR 09/17/0216 Wavefield Separation

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SCEC Annual Meeting - ITR 09/17/0264

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SCEC Annual Meeting - ITR 09/17/0267 Modeling of Earthquake Rupture Dynamics

SCEC Annual Meeting - ITR 09/17/0268 Dynamic Rupture From Trial-and-Error Finite-Difference Modeling

SCEC Annual Meeting - ITR 09/17/0269 Inverted (Trial-and- Error) Dynamic Radiation Versus Data

SCEC Annual Meeting - ITR 09/17/0270 Modeling of Stress Transfer/Triggering

SCEC Annual Meeting - ITR 09/17/0271 Static Coulomb Failure Stresses  f among others, Das & Scholz, 1981 Harris et al., 1991 Stein, 1999

SCEC Annual Meeting - ITR 09/17/0272 However:  f does not explain all observations e.g., 1943 North Anatolian Fault event More aftershocks in direction of rupture propagation (for example, 1992 Landers) Sometimes aftershocks in the stress shadow

SCEC Annual Meeting - ITR 09/17/0273 Dynamic Coulomb Failure Stresses  f (t) Kilb et al., 2002 Kilb, 2003

SCEC Annual Meeting - ITR 09/17/0277 Illustration of  f (t) North Anatolian Fault 1944 Event

SCEC Annual Meeting - ITR 09/17/0278 Components of  f (t)  s (t)  n (t)  f (t) peak[  f (t)]

SCEC Annual Meeting - ITR 09/17/0279 Effect of Rupture Direction Toward the West Bi-lateral Toward the East peak[  f (t)]  f (t)

SCEC Annual Meeting - ITR 09/17/0280 Effect of Rupture Velocity Sub-shear Super-shear  f (t)peak  f (t)]

SCEC Annual Meeting - ITR 09/17/0281 North-Anatolian Fault, Turkey

SCEC Annual Meeting - ITR 09/17/0282 West-ward propagating series of events on the North Anatolian Fault

SCEC Annual Meeting - ITR 09/17/0283 North Anatolian Fault Sequence km N

SCEC Annual Meeting - ITR 09/17/0284 Seismic Exploration