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Geography

Which phenomenon limits maximum magnitude of earthquakes along oceanic transform faults?

A)Increased pore fluid pressure
B)Restraining bend geometries
C)Shallower fault depths
D)Higher slip rates

💡 Explanation

Shallower fault depths limit earthquake magnitude because seismic moment, which is related to magnitude, increases with rupture area and displacement. Transform faults being mostly shallow limit rupture area. Therefore shallower depths limit magnitude, whereas fluid, bends, and rates don't have same direct effect.

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