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ConcepTest: EQs at Divergent Boundaries

ConcepTest questions by David McConnell, David Steer , Walter Borowski, Jeffrey Dick, Annabelle Foos, Jeffrey Knott, Alvin Konigsberg, Michelle Malone, Heidi McGrew, Kathie Owens, and Stephen Van Horn


The figures below show the location of a plate boundary (red line) and the distribution of earthquake epicenters (filled black circles). The size of the filled circle indicates the earthquake magnitude. Given the distribution and size of the earthquakes, which figure best represents a divergent plate boundary?


Figures of EQ Distribution and Magnitude

Student Responses:

No data yet. The correct response is A.

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References and Notes:


Geoscience:Geology:Tectonics, Geophysics

Resource Type

Activities:Classroom Activity:Short Activity:ConcepTests

Grade Level

College Lower (13-14):Introductory Level

Ready for Use

Ready to Use

Earth System Topics

Solid Earth:Plate Tectonics, Earthquakes


Geophysics, Tectonics


Teach the Earth:Teaching Environments:Intro Geoscience, Teach the Earth:Course Topics:Geophysics, Teach the Earth:Teaching Topics:Plate Tectonics