Sample Video 100: Geology 16: What is an Earthquake and How Does it Happen?
4:09
Grades: K - 12

Video Description: Learn from Dr. Robert B. Hermann of  the Saint Louis University Earthquake Center as he explains the different ways that earthquakes occur.

Unique Video ID: Sample Video-100**

**The unique Video ID can be used to quickly locate a single video in the ET collection. This search function is designed to let teachers assign students to watch a specific video and have only that video appear as a search result. Just click on Search and choose “By Video ID.” Then type in the Video ID as it appears above. Be sure to include the dash.