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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

risk evaluation, risk reduction, and risk management

Natural environment; Earthquake

All relate to exposure of life and property to earthquake hazards.

rock avalanche

Natural environment; Earthquake

A large mass of rock, sliding or flowing very rapidly under the force of gravity.

rock fall

Natural environment; Earthquake

Large block(s) of rock falling under the force of gravity.

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.

scarp

Natural environment; Earthquake

A steep slope formed by the displacement of the ground surface by movement of a fault or by other geologic process such as a landslide. See fault scarp.

secondary waves

Natural environment; Earthquake

A type of body wave, slightly slower than a primary wave, that moves rocks vertically or horizontally; they move at 2 miles (3 km) per second.

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