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Earthquake

Of or pertaining to the natural phenomenon when tectonic plates slide or move causing the Earth's surface also move which causes devastating damage to cities and towns.

Contributors in Earthquake

Earthquake

Fire

Natural environment; Earthquake

The most common secondary hazard resulting from an earthquake.

Moment (earthquake)

Natural environment; Earthquake

A measure of the energy released in an earthquake determined by strength of the fault and the area and amount of slip.

Natural frequency

Natural environment; Earthquake

The frequency at which an elastic system vibrates when set in motion by a single pulse.

Normal faults

Natural environment; Earthquake

A fault in which blocks of rock slip straight down; also called dip-slip faults.

Outcrop

Natural environment; Earthquake

The area where a particular rock body reaches the surface.

Rupture velocity

Natural environment; Earthquake

The speed at which a fault rupture propagates along a fault.

Sand boil

Natural environment; Earthquake

Sand and water ejected from the ground as the result of liquefaction at shallow depths in an earthquake.

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