LECTURE 8 OUTLINE - MEASURING EARTHQUAKES (updated 11/10/97)
Instructor: Professor Barbara Romanowicz
Director of Seismological Laboratory
Office Hours: Thursday 2-4 pm , upon appointment only
475 Mc Cone Hall
MEASURING EARTHQUAKES
References:
Bolt, Earthquakes, Chapter 3, 7, Appendix G.
Gere and Shah, Terra Non Firma, Chapter 5
Richter, Elementary Seismology, Chapter 20, 22.
1. Locating earthquakes
time keeping, accuracy
Triangulation
single station methods
arrays of stations
2. Earthquake Size
Intensity
Moment
Magnitude
Energy
3. Magnitude Scales
Basic principles
Properties, limitations
surface wave magnitude scale
body wave magnitude scale
relation to moment, moment magnitude
4. The world largest earthquakes compared to other natural phenomena
5. Earthquake mechanisms
from first motions
radiation patterns of surface waves
6. Earthquake Catalogs
Global Coverage
Regional Coverage