Earthquakes - Exploring Earth's Restless Crust

Year Published: 1983

Creator: ENCYCLOPEDIA BRITANNICA EDUCATIONAL CORP

Format: 16mm

Sound: sound

Description: Explains what earthquakes are and why they occur. Discusses the different types of seismic waves, how they are recorded and how they affect the earth. Describes how information derived from seismic waves has provided information about the earth's interior. Shows various types of earthquake research projects and explains their significance for the future.

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