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Earthquake

Author: Gatlin Bichsel
Across
A fracture, or break in Earth's lithosphere.
A shaking of the ground caused by the sudden movement of large blocks of rock along a fault.
Earth's thickest layer, measuring nearly 1700 miles.
Vibrations caused by earthquake.
An instrument that constantly records ground movements.
A smaller earthquake that follows a more powerful earthquake in the same area.
A process in which shaking of the ground causes soil to act like a liquid.
Particle motion is up and down.
Particle motion is side to side.
A ball of hot, solid metals.
When the faults push together and move up with respect to each other.
When rocks push horizontally in opposite directions.
Down
The force exerted when an object presses on, pulls on, or pushes against another object.
The point underground where rocks first begin to move.
A water wake triggered by an earthquake, volcanic eruption, or landslide.
The point on Earth's surface directly above the focus.
When the North Pole and the South Pole switch with each other.
A layer of liquid metals that surrounds the inner core.
Particle waves or side to side and up and down.
When the rock above the fault plane slides down relative to the other block.
A thin layer of cool rock.