Lecture Schedule
- Introduction (Week 1 and 2)
- course overview
seismic waveform data, regional/upper-mantle/teleseismic distances
and their characters
synthetic seismogram
linear filter theory
- seismic instrumentation
instrument response
- earthquake source representation, stress glut, equivalent
force, moment tensor
displacement produced by point force in uniform whole space, near field,
far field, P and S waves.
- dislocation model, double-couple
double-couple source in whole space, intermediate field, radiation
pattern
- near field and permanent displacement observations
of the 1994 Bolivia deep earthquake (Jiao et al., 1995; Zhu, 2002)
Observation of near field at teleseismic distances (Vidale et al., 1995)
- Modeling regional seismic waveforms (Week 3-7)
- Static and dynamic deformation produce by point source in
layered media (Zhu and Rivera, 2002)
- Using FK code to compute synthetic seismogram.
- CAP source inversion (Zhu and Helmberger, 1996); 2002
Evansville Eq. (HW1)
- Generalized Ray Theory (Helmberger, 1983)
Cagniard-de Hoop method, explosion in fluid whole
space
Sandwiched fluid layers, generalized rays and
reflection/transmission coef., receiver function
Two fluid half-space case, head wave (HW2)
Free surface, Rayleigh denominator, Rayleigh waves
Crustal wave guide, source vertical radiation pattern,
modeling waveform with 1-D model
Waveform tomography with generalized rays (Song and
Helmberger, BSSA, 1998)
- Upper-mantle distance waveforms (Week 8-10)
- travel-time triplications.
- using GRT to compute upper-mantle distance synthetics. Modeling
the 1999 Mexic Eq. (HW3)
- Teleseismic waveforms (Week 11-13)
- Introduction; construction of teleseismic body waves; source equalization
and receiver function.
- RF inversion for 1-D velocity model (Ammon et al. 1990);
Joint inversion.
- Dipping interfaces (Zhu et al., 1995)
- H-k stacking for crustal thickness and Poisson's ratio (Zhu and
Kanamori, 2000)
- CCP stacking (Zhu, 2000)
- Core phases (Week 14-15)
- Final exam: presentation on Wed., 12/11; paper due Friday, 12/13