Introduction to Seismology

Earth Sciences Department

King Fahd University of Petroleum & Minerals

Chapter1Chapter2Chapter3 Chapter4 Chapter5Chapter6Chapter7

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Earthquake Hazard

 

King-Fahd University of Petroleum and Minerals, P.O.Box:1946, Dhahran 31261, Saudi Arabia, Telephone: (966) (03) 860-1661  Fax : (966)(250) 860-2595

 

Lecture 26: May 16
  • Earthquake Probability
    • What is probability?
  • Natural Hazards in Time
  • Seismic Zones in Eastern Province of Saudi Arabia
    • Proposed by Abdalla and Al-Homoud (2004)
    • Maximum Expected Earthquakes
    • Calculated Seismicity Parameters
      • 1008-2002
  • Frequency-Magnitude Statistics for Regions
    • 1) Main Zagros Thrust Zone
      • Log N=10.17-1.22 M
    • 2) North East Arabian Gulf Region
      •  Log N= 6.99 - 0.94 M
  • Calculation of Poisson Earthquake Probability of M>7 (T=30 yrs)
    • 1) Main Zagros Thrust Zone
      • %72
    • 2) North East Arabian Gulf Region
      •  %7
Lecture 27: May 26
  • Earthquake Hazard and Risk
    • How big? How much damage? Where? When? How often?
  •  Types of Earthquake Hazards
    • Primary (Natural):  Fault Rupture and Ground Shaking   
    • Secondary (Triggered) Hazard: Landsliding, Liquefaction, Tsunami
  •  Earthquake Data for Hazard Assessment
    • Earthquake Source
    • Seismic Potential (Seismicity)
    • Attenuation Relation
    • Site Response
    • Geological Hazard Characterization
  • Ground Shaking in Future Earthquakes
  • Ground Shaking in Previous Earthquakes
    • Why great damage occurred in Santa Monica due Northridge EQ, 1994?
  • Geological Hazards triggered by Earthquakes
Lecture 28: May 28