Earth Sciences 2240F/G Lecture Notes - Lecture 4: Continental Crust, Subduction, Geologic Record

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Convergent (compressional: ocean crust subducted under continental crust: largest quakes known, continent/continent: large and hugely destructive because of high population in the regions. Correlation with plate boundaries and known basement rift zones. Geologic record evidence tsunami: submerged coastlines large underwater landslides. Tectonic setting: kula, farallon, pacific, north american plates. Juan de fuca: components, motion transform faults at both ends. 1700 event: 26 january 1700, evidence, including from japan, moment magnitude estimated at 9, pre-1700 events. Event: moment magnitude 9. 2, tsunami lack of warning system. The account in the chapter is very brief, and will not constitute examination material. Learn all the terminology and basic statistics. Mechanism of generation, behaviour at sea, behaviour approaching shore. Be sure you understand how/why san andreas developed, what the relative motion is, how much annual movement on creep sections. San francisco: 1906: basic statistics of the event, review theory of elastic rebound (ch.

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