Earthquake Focal Mechanism

Course Description

The purpose of this lecture is to provide you with necessary basic knowledge and practice for determination of focal mechanism by P-wave first motion method and moment tensor inversion method.

Lecturer

Yuji YAGI (Tsukuba Univ. / IISEE)

Days

4 day(s)

Syllabus

(1) Terms and parameters of seismic fault

(2) Double couple model for seismic source

(3) Focal mechanism diagram
  1) Basic concept of focal mechanism diagram
  2) How to see and interpret focal mechanism diagram

(4) Determination of focal mechanism by P-wave first motion method
  1) Manual method
  2) P-first motion method using PC software

(5) Waveform inversion for moment tensor

Lecture note files of this course can be downloaded.