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Question
An earthquake produces which type of sound wave before the main shock wave begins?
An earthquake produces which type of sound wave before the main shock wave begins?
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Solution
The correct option is B Infrasonic
An earthquake produces seismic waves. Seismic waves are energy waves produced by earthquakes or volcanic eruptions. They propagate through Earth's layers and have a devastating effect on life in the regions that they hit.
The seismic waves are of frequency 1 to 0.1 Hz. Hence, they are considered infrasonic.
Infrasonic
An earthquake produces seismic waves. Seismic waves are energy waves produced by earthquakes or volcanic eruptions. They propagate through Earth's layers and have a devastating effect on life in the regions that they hit.
The seismic waves are of frequency 1 to 0.1 Hz. Hence, they are considered infrasonic.
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