Video Description: Dr. Robert B. Hermann of the Saint Louis University Earthquake Center uses examples of seismographs to explain how seismologists use seismic equipment and written graphs to measure earthquake intensity and duration.
Quick Ideas for Using the Video:
*Segment videos are short excerpts edited from interviews or interactive programs that offer flexible and differentiated ways to use the rich content included in the full-length conversation.
**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.