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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

critical facilities

Natural environment; Earthquake

Structures whose functioning during an emergency is essential or whose failure would endanger many lives. May include: structures such as nuclear power plants or large dams whose failure could be ...

geotechnical

Natural environment; Earthquake

Related to the use of scientific methods and engineering principles to acquire, interpret and apply knowledge of earth materials to solving engineering problems.

crust

Natural environment; Earthquake

The outermost major layer of the earth; ranging from 35 to 45 km thick and with a compressional seismic wave velocity (in rock) between 3.0 and 7.5 km/s.

gouge

Natural environment; Earthquake

Rock crushed in a fault zone.

debris flow

Natural environment; Earthquake

A moving mass of rock fragments, soil, and mud, more than half ofthe particles being larger than sand size.

graben

Natural environment; Earthquake

A block of the earth's crust, usually elongated, that has subsided relative to adjacent rocks along bounding faults.

density

Natural environment; Earthquake

The mass per unit volume of a material.

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