When the stress on edge overcomes the friction, there is an earthquake that releases energy in waves that travel through the earth’s crust and causes the shaking that is felt by us.
- Damage to a man-made structure.
- An outbreak of fire and spilling of hazardous chemicals.
- Ground shaking
The seismograph is an instrument that is used to measure and record the details related to earthquakes like force, duration, etc.
Most simply, earthquake zones may be considered to be regions on a map where earthquakes historically occur in clusters.
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