The rubbing of one thing against another. Try rubbing our hands together and feel the friction.
Magnitude
The amount of energy an earthquake releases.
Tremor
A shaking or vibrating movement in the earth. Tremor is a synonym for earthquake.
Fault
A crack in Earth's crust separating rocks that have moved in different direction
Tsunami
Huge sea waves caused by an underwater earthquake or volcanic eruption.
Focus
The location inside the earth where rocks shifted during an earthquake. From this point the energy of an earthquake that speeds outward through the surrounding rocks in all directions.
Energy
The capability of an object or thing to do work. You need energy to do everything. The energy food you eat provides energy.
Stress
An application of force or group of forces on an object, causing it to change shape.
