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Summary of seismology component of the course

This summary covers various aspects of seismology, including seismic sources, wave types and notation, location methods, magnitude and intensity scales, focal mechanisms like fault plane solutions, and additional topics such as hazards, prediction, and seismic instruments.

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Summary of seismology component of the course

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Presentation Transcript

  1. Summary of seismology component of the course • Sources • Waves • Location • Magnitude/Intensity • Focal mechanisms • Other topics

  2. Sources • source models • Double couple forces • Moment tensors

  3. Waves • Notation (teleseisms) P, S = mantle phases K = outer core P wave I,(J) = inner core P and S c = reflection from the outer core pP, sP = reflections from the earth surface near the source (Lower case = reflection) PKP = P wave in mantle, outer core, mantle PcP = Mantle phase reflected from the outer core

  4. Waves • Notation (local) • Pg • Pn • P* • Near field / Far field

  5. Location • General principles • Station corrections • depth control

  6. Magnitude and Intensity • Mw, Mwp, ML, Mb, etc. • Intensity scales

  7. Focal Mechanisms Fault Plane Solutions of Earthquakes, Northeast India Kayal et al., 2006

  8. Other topics • Hazards and damaging effects, • prediction and forecasting, • instruments, networks, arrays, etc.

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