IRIS, Incorporated Research Institutions for Seismology, has compiled some good resources for teaching about the science of the earthquake in Haiti and earthquakes in general. Included in their list are videos, slideshows, and links to lesson plans. The videos are animated and narrated explanations of the science of earthquakes. All of the videos can be viewed on YouTube or downloaded as a Quicktime file. You can see a sample of these videos below.

Applications for Education
The visualizations found in this list are accessible for most middle school and high school students. For those of you that work with ESL/ ELL students, IRIS provides a list of resource that are accessible for Spanish speaking students.

Here are some related items that may be of interest to you:
Five Resources for Teaching About Earthquakes
Earthquake in Haiti – CNN Student News and Other Resources
Photosynth – Devastation in Haiti