Learning on ScreenWhat Causes Earthquakes?
- Synopsis
- Shows how the Richter scale is used to describe the strength of seismic activity, and how seismic waves originate from a focus to travel through the earth’s crust. Discusses plate tectonics and their relation to earthquakes, and identifies seismic zones.
- Series
- Earth, The Environment and Beyond, Series
- Language
- English
- Country
- United States
- Medium
- Video; Videocassette. VHS. col. 15 min.
- Year of production
- 1993
- Availability
- Sale
- Uses
- Secondary science teaching.
- Subjects
- Geology
- Keywords
- earthquakes; seismology
Production Company
Distributor
- Name
Viewtech Educational Media
- Notes
- NB. Viewtech ceased trading in 2014 and the company’s products are no longer in distribution
Record Stats
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