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Source Mechanism
Course Description
The purpose of this lecture is to provide you with necessary basic knowledge for determination of focal mechanism by seismic wave analysis. It includes a manual P-wave first motion method and moment tensor inversion.
Lecturer
Yuji YAGI
Days
2 day(s)
Syllabus
Sendai City
- Terms and parameters of seismic fault
- Double couple model for seismic source
- Focal mechanism diagram
3.1 Basic concept of focal mechanism diagram
3.2 How to see and interpret focal mechanism diagram
- Determination of focal mechanism by P-wave first motion method
4.1 Manual method
4.2 P-first motion method using PC software
- Determination of focal mechanism by moment tensor inversion
5.1 Moment tensor
5.2 Moment tensor inversion of waveform data
Lecture Notes
| Lecture ID# | Note description | Author | Slide |
|---|---|---|---|
| Lecture #1 | lecture textbook | Y. Yagi | G-150-2013_Source_Mechanism(Yagi).pdf |
| Lecture #2 | lecture ppt | Y. Yagi | G-150-2013_Source_Mechanism(Yagi)2.pdf |
Lecture note files of this course can be downloaded.