Page 220 - Whole Earth Geophysics An Introductory Textbook For Geologists And Geophysicists

203
Tectonics
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Plate
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Earthquakes
\ Divergent Boundaries: Plate ~ Transtom & ort Puy Convergent five-year period. Large earthquakes recorded over a 7.20 FIGURE and Hamblin by W. K. Earth's Dynamic Systems, 7/E From E. H. Christiansen, © River, NJ. a) of Prentice-Hall, Inc., Upper Saddle permission with Used 1995. focal Epicenters and any geographic refer

N30°W 60°W S N75°E 15°F S N45°E 90° fault 75° east.

Strike: 55° Dip: Strike: 55°: Dip Strike: Dip: fault striking north reader is indicated by the “X." “Dot” shows other block 5

Reverse south. c) Vertical, right-lateral strike-slip fault striking north 45° east. Block on
60°E SISE 45°E Cross sections and focal mechanism solutions for three types of faults.a) Normal the southwest. b)

Seismoiogy N Fault S the

Earthquake Fault x | @ OUP west, dipping 55° toward the fault moving away from reader.
yney

Chapter7 Normal a) 60°W 15°W Strike-Slip Cc) 45°W 7.19 striking north 30° toward dipping 55° the left side of the the moving toward

202 S N N FIGURE