Presentation

1. Seismic Risk: An Introduction

7. Seismic Hazard Assessment

10. Earthquake Sources

13. Structure of Earth

14. Structure of Earth

16. Plate Tectonics

17. Earth’s Plates

18. Earth’s Plates

19. Drift of Indian Subcontinent

21. Prehistoric Flora and Fauna

22. Elastic Rebound Theory

23. Example of Fault Rupture Chile Earthquake

24. Example of Fault Rupture Taiwan Earthquake

25. Example of Fault Rupture Kobe Earthquake

26. Example of Fault Rupture Kobe Earthquake

27. Example of Fault Rupture Kobe Earthquake

29. Earthquake Waves

32. Indian Seismicity

33. Seismic Hazard

34. Assessment of Site Effects

35. Influence of Local Conditions Maximum ground motion also depends on local soil/rock properties Maximum ground displacement in Northridge earthquake (1994) 10 km

36. Mumbai Description

37. Influence of Local Conditions Anjar Town-Plan and Local Soil Conditions

39. Seismic Vulnerability Assessment

44. Seismic Risk

46. Example :: Mumbai Research indicates following scenario for an earthquake disaster in Mumbai (2001) Estimated number of fatalities and injuries due to building collapse Time MSK VI MSK VII MSK VIII Midnight 11,200 42,600 100,100 6 A.M. 9,000 34,000 80,000 12 Noon 6,700 25,500 60,100 Time MSK VI MSK VII MSK VIII Midnight 31,400 118,400 277,600 6 A.M. 25,000 94,600 222,100 12 Noon 18,800 71,000 166,500

50. Thank You