150Lec21-1

150Lec21-1 - Lecture #21: Continent-Continent Earthquakes...

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Lecture #21: Continent-Continent Earthquakes in Asia (Abbott, p. 69-73) As mentioned earlier, subduction and, therefore, volcanism are generally absent from continent-continent convergence zones. However, these convergence zones often uplift high mountains and produce numerous earthquakes over time. Earthquakes in Iran The continental portion of the Arabian plate is moving northeastward and colliding with the continental Eurasian Plate (Figure 3.30, p. 73). This collision produces long chains of mountains, which include the Caucasus in the west and the mountainous terrains of Iran. Because of this collision, Iran is plagued with terrible earthquakes (Table 3.1, p. 73). The most recent severe quake occurred on a right-lateral strike-slip fault in Bam, Iran on December 26, 2003. The earthquake was a magnitude 6.7. More than 41,000 people died in the earthquake compared with the 57 people that died in the similar magnitude 1994 earthquake in Northridge, California. As in many developing countries, casualties
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This note was uploaded on 07/14/2011 for the course GLY 150 taught by Professor Henke during the Spring '08 term at Kentucky.

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