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Lecture

Lecture 10 - Earthquakes

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Department
Earth Sciences
Course
Earth Sciences 1022A/B
Professor
Stephen R Hicock
Semester
Fall

Description
Final ExamDec 18 2 pm Earthquakes y Cause of Earthquakes o Slippage along a fault in the crust at the focus o Occurs below the spot plotted on a map called the epicentre y Elastic Rebound o Rocks bend until they rupture earthquake then stress builds up and they start bending again o Foreshocks and aftershocks common with main event y Seismology o Surface wavesslowest limited to the Earths surface but can be quite damaging o Body waves travel through rock Compressional like a slinky primary pwaves faster travel through anythingShear starts with up and down motion secondary swaves slower h
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