![Page 1: QUIZ 1.What are Earthquakes? 2._____ is the deformation of a material caused by stress. 3.Describe tension stress. 4.Faulting causes rock to _________](https://reader035.vdocuments.mx/reader035/viewer/2022062801/56649e2e5503460f94b1e8ca/html5/thumbnails/1.jpg)
![Page 2: QUIZ 1.What are Earthquakes? 2._____ is the deformation of a material caused by stress. 3.Describe tension stress. 4.Faulting causes rock to _________](https://reader035.vdocuments.mx/reader035/viewer/2022062801/56649e2e5503460f94b1e8ca/html5/thumbnails/2.jpg)
QUIZ 1. What are Earthquakes? 2. _____ is the deformation of a
material caused by stress. 3. Describe tension stress. 4. Faulting causes rock to _________ .
![Page 3: QUIZ 1.What are Earthquakes? 2._____ is the deformation of a material caused by stress. 3.Describe tension stress. 4.Faulting causes rock to _________](https://reader035.vdocuments.mx/reader035/viewer/2022062801/56649e2e5503460f94b1e8ca/html5/thumbnails/3.jpg)
Answers 1. Vibrations of the earth’s crust caused by a
sudden release of energy
2. Strain
3. pulls apart
4. Break
![Page 4: QUIZ 1.What are Earthquakes? 2._____ is the deformation of a material caused by stress. 3.Describe tension stress. 4.Faulting causes rock to _________](https://reader035.vdocuments.mx/reader035/viewer/2022062801/56649e2e5503460f94b1e8ca/html5/thumbnails/4.jpg)
Faulting
When stress exceeds the strength of the rocks
movement occurs along a weak region in the rock called
a fault
Movement along the fault results in EQ’s
![Page 5: QUIZ 1.What are Earthquakes? 2._____ is the deformation of a material caused by stress. 3.Describe tension stress. 4.Faulting causes rock to _________](https://reader035.vdocuments.mx/reader035/viewer/2022062801/56649e2e5503460f94b1e8ca/html5/thumbnails/5.jpg)
Faults
Fault = any fracture or system of fractures along which the Earth
moves
Fault Plane = the surface along which the movement takes place
![Page 6: QUIZ 1.What are Earthquakes? 2._____ is the deformation of a material caused by stress. 3.Describe tension stress. 4.Faulting causes rock to _________](https://reader035.vdocuments.mx/reader035/viewer/2022062801/56649e2e5503460f94b1e8ca/html5/thumbnails/6.jpg)
Example of Faulting • Cracks in the concrete • The crack represents strain resulting
from stress use by cars & people • The crack itself is a fault• The concrete surface where the fault
occurred is the fault planeThe type and direction of stress on the
concrete results in different types of faults
![Page 7: QUIZ 1.What are Earthquakes? 2._____ is the deformation of a material caused by stress. 3.Describe tension stress. 4.Faulting causes rock to _________](https://reader035.vdocuments.mx/reader035/viewer/2022062801/56649e2e5503460f94b1e8ca/html5/thumbnails/7.jpg)
3 Types of Faults Normal = rocks are pulled apart;
Tension (stress) causing horizontal & vertical movement
p. 531 Table 19.1
![Page 8: QUIZ 1.What are Earthquakes? 2._____ is the deformation of a material caused by stress. 3.Describe tension stress. 4.Faulting causes rock to _________](https://reader035.vdocuments.mx/reader035/viewer/2022062801/56649e2e5503460f94b1e8ca/html5/thumbnails/8.jpg)
3 Types of Faults Reverse or Thrust Faults =
rocks are forced together; Compression (stress) causing horizontal & vertical movement
p. 531 Table 19.1
![Page 9: QUIZ 1.What are Earthquakes? 2._____ is the deformation of a material caused by stress. 3.Describe tension stress. 4.Faulting causes rock to _________](https://reader035.vdocuments.mx/reader035/viewer/2022062801/56649e2e5503460f94b1e8ca/html5/thumbnails/9.jpg)
3 Types of Faults Strike Slip = rocks are shearing,
twisting; Shear (stress) causing horizontal movement
p. 531 Table 19.1
![Page 10: QUIZ 1.What are Earthquakes? 2._____ is the deformation of a material caused by stress. 3.Describe tension stress. 4.Faulting causes rock to _________](https://reader035.vdocuments.mx/reader035/viewer/2022062801/56649e2e5503460f94b1e8ca/html5/thumbnails/10.jpg)
Animation of Faults
• http://earthquake.usgs.gov/learning/animations/
• Reference USGS
![Page 11: QUIZ 1.What are Earthquakes? 2._____ is the deformation of a material caused by stress. 3.Describe tension stress. 4.Faulting causes rock to _________](https://reader035.vdocuments.mx/reader035/viewer/2022062801/56649e2e5503460f94b1e8ca/html5/thumbnails/11.jpg)
Comparison between types of fault & plate boundaries
What type of fault is associated with converging plates?
• Reverse or Thrust Fault
![Page 12: QUIZ 1.What are Earthquakes? 2._____ is the deformation of a material caused by stress. 3.Describe tension stress. 4.Faulting causes rock to _________](https://reader035.vdocuments.mx/reader035/viewer/2022062801/56649e2e5503460f94b1e8ca/html5/thumbnails/12.jpg)
What type of fault is associated with divergent
plates?
• Normal Fault
![Page 13: QUIZ 1.What are Earthquakes? 2._____ is the deformation of a material caused by stress. 3.Describe tension stress. 4.Faulting causes rock to _________](https://reader035.vdocuments.mx/reader035/viewer/2022062801/56649e2e5503460f94b1e8ca/html5/thumbnails/13.jpg)
What type of fault is associated with transforming plates?
• Strike – Slip Fault
![Page 14: QUIZ 1.What are Earthquakes? 2._____ is the deformation of a material caused by stress. 3.Describe tension stress. 4.Faulting causes rock to _________](https://reader035.vdocuments.mx/reader035/viewer/2022062801/56649e2e5503460f94b1e8ca/html5/thumbnails/14.jpg)
• Text read p. 530 – 532 • Quiz ?????
![Page 15: QUIZ 1.What are Earthquakes? 2._____ is the deformation of a material caused by stress. 3.Describe tension stress. 4.Faulting causes rock to _________](https://reader035.vdocuments.mx/reader035/viewer/2022062801/56649e2e5503460f94b1e8ca/html5/thumbnails/15.jpg)
ANY QUESTIONS?