Trembling Earth

Duration: 30

Year Published: 1967

Creator: WNET/13

Format: 16mm

Color: Color

Description: Uses the seismic studies of the Lamont Geological Observatory of Columbia University and aerial photographs to explain the relationship between earth faults and earthquake centers. Shows Dr. Jack Oliver, a seismologist, working with highly sensitive and sophisticated instruments in an observatory located within a mine. Records other seismologists gathering data on recurring micro-earthquakes in Alaska, where in 1964 the destructive power of earthquakes was graphically demonstrated.

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