1. Lecture 6 Normal faults 2

2. Normal faults Tectonic environments (5) Landscapes (6) Coseismic structures and patterns (6) –Case history from Nevada, 1954 –Case history from Idaho, 1983

3. from MacQuarrie and Wernicke (2005)

4. Some landforms: Triangular facets, alluvial aprons, wineglass canyons, and turtlebacks

5. Fault ribbons, alluvial aprons and triangular facets

6. Triangular facets, wine-glass canyons, and slumps

8. Turtlebacks

12. Sparta

16. Mani

17. A “brick” (or two) The “Building” Mani peninsula, Greece

18. Mycenae

20. Orem Ephesus

22. Faulting versus dike intrusion in the Mono Basin, eastern California

23. Calculation of slip rates ~25m/15,000 years McGee Creek, eastern Sierra Nevada

29. A Case History: Ruptures of the Dixie Valley and Fairview Peak earthquakes, 1954

31. Historical ruptures in the Central Nevada Seismic Zone Irregularity of fault plane in direction perpendicular to slip vector

33. Stillwater rangefront

34. A Case History: Rupture of the Lost River Range fault during the Borah Peak earthquake, Idaho, 1983

36. Geometry of the fault rupture

37. A detail of the rupture

38. Coseismic slip function

39. Vertical coseismic deformation

40. Coseismic vertical deformation profile Aftershock cross-section Geologic cross-section