http://serc.carleton.edu/NAGTWorkshops/deepearth/activities/40466.html#discussion http://serc.carleton.edu/NAGTWorkshops/deepearth/activities/40466.html#post7255 Mike Brudzinski 1267029900 http://serc.carleton.edu/NAGTWorkshops/deepearth/activities/40466.html#post7255 http://serc.carleton.edu/NAGTWorkshops/deepearth/activities/40466.html#post7265
RE Time series figure: The letters A, B, C aren't locked in the right place in my version. You might want to use different shapes instead of different colors (or in addition to) to help out students who can't see red vs green, or instructors who can't print in color. This would go for the map above then, too. Above this figure, you have "GPs" instead of "GPS."

You already mentioned that you could switch some of these to short answer. You could also add some follow up short answers (ex "Why?") in a few places to help check the students' understanding and their reasoning process.

Cool animation! I had to re-save it with ".mpg" at the end of the file name to get Quicktime to realize it was a movie file.

The way you have this set up now, it would also work really well as an online assignment or "web exploration" style activity, with the multiple choice in Blackboard or Moodle. Could have students search the NEIC catalog for recent earthquake in that area, etc.]]> Anna Courtier 1267031400 http://serc.carleton.edu/NAGTWorkshops/deepearth/activities/40466.html#post7265 http://serc.carleton.edu/NAGTWorkshops/deepearth/activities/40466.html#post7270 Mike Williams 1267031880 http://serc.carleton.edu/NAGTWorkshops/deepearth/activities/40466.html#post7270 http://serc.carleton.edu/NAGTWorkshops/deepearth/activities/40466.html#post7294 I'm with Anna - I'd probably switch things up to big less guided through the multiple choice and add on a bunch "why's". Including a comparison of energy release between the two events would be cool as well.

I think ETS is an amazing discovery and one that could get my PacNW students motivated.]]> Catherine Cooper 1267034940 http://serc.carleton.edu/NAGTWorkshops/deepearth/activities/40466.html#post7294 http://serc.carleton.edu/NAGTWorkshops/deepearth/activities/40466.html#post7295 Catherine Cooper 1267035000 http://serc.carleton.edu/NAGTWorkshops/deepearth/activities/40466.html#post7295 http://serc.carleton.edu/NAGTWorkshops/deepearth/activities/40466.html#post7392
Overall the class seemed to enjoy the activity and those that finished in the 30-40 minutes I gave them did quite well on it: average of 31/32 correct. It certainly suggests that I could go more in the open-ended why direction that you all suggested, so I will keep working on that version of this activity. The key moment in class today came when a student asked how we know there was a magnitude ~9 earthquake back in 1700. My first thought was, wow that's a good question, something must be working. My second thought was that I should give them a reading assignment associated with this in-class activity: there is a section of the new "The Good Earth" textbook by McConnell et al., called "The Science of Ghost Forests and Megathrust Earthquakes" which talks about figuring out this out. An alternative would be the USGS book "The Orphan Tsunami of 1700". ]]> Mike Brudzinski 1267132680 http://serc.carleton.edu/NAGTWorkshops/deepearth/activities/40466.html#post7392 http://serc.carleton.edu/NAGTWorkshops/deepearth/activities/40466.html#post7480 http://www.iris.edu/hq/programs/education_and_outreach/animations#L and/or the elastic rebound in a subduction zone animation http://www.iris.edu/hq/programs/education_and_outreach/animations#B ]]> John Taber 1267194900 http://serc.carleton.edu/NAGTWorkshops/deepearth/activities/40466.html#post7480 http://serc.carleton.edu/NAGTWorkshops/deepearth/activities/40466.html#post7498 Wendy Panero 1267200600 http://serc.carleton.edu/NAGTWorkshops/deepearth/activities/40466.html#post7498 http://serc.carleton.edu/NAGTWorkshops/deepearth/activities/40466.html#post7504
This is a great idea, having students work with real data (GPS, seismic, etc.) to understand this debated topic. So that this exercise does not feel too much like an exam, perhaps there should be additional components that do not emphasize multiple choice questions. The questions are good, but some more free-form activity would enrich this exercise.]]> Glenn Richard 1267201680 http://serc.carleton.edu/NAGTWorkshops/deepearth/activities/40466.html#post7504 http://serc.carleton.edu/NAGTWorkshops/deepearth/activities/40466.html#post7544 Anna Courtier 1267203600 http://serc.carleton.edu/NAGTWorkshops/deepearth/activities/40466.html#post7544