ConcepTest: Intensity and Magnitude
and is replicated here as part of the SERC Pedagogic Service.
Question:
Three sites (L1, L2, L3) record earthquake intensity and earthquake magnitude for the same earthquake. L1 is located closest to the focus and L3 is farthest away. The intensity values are greatest at _____ and the earthquake magnitude (calculated using seismograms from each location) ___________________________.
a) L1; is the same at each site.b) L3; is the same for each site.
c) L1; decreases with distance from the focus.
d) L3; decreases with distance from the focus.
Student Responses:
No data yet. The correct response is A.
If you would like to help acquire more Before and After statistics for this example, please contact the authors (see link at top of page).
References and Notes:
The use of ConcepTests and Peer Instruction is discussed in detail on the ConcepTest page.
McConnell, D.A., Steer, D.N. and Owens, K.A., 2003, Assessment and Active Learning Strategies for Introductory Geology Courses, Journal of Geoscience Education, 51(2), 205-216.
McConnell, D.A., Steer et al., 2006, Using Conceptests to Assess and Improve Student Conceptual Understanding in Introductory Courses, Journal of Geoscience Education, (54(1), 61-68.