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EARTHQUAKE TERMS

Brandon Diman

Across
The highly viscous mechanically weak region of the upper mantle of the Earth
A fracture along which there has been significant displacement of the two sides relative to each other parallel to the fracture
An event that causes major disruption on the economy, society and the environment
Secondary tremors that may follow the largest shock of an earthquake sequence
Structures whose ongoing performance during an emergency is required or whose failure could threaten many lives
A building code, or building control, is a set of rules that specify the minimum acceptable level of safety
The expected (or probable) life loss, injury, or building damage that will happen
A fault that does not extend upward to the Earths surface
A seismic wave that propagates through the interior of the Earth
The surface on which the earthquake movement takes place
The distance (usually measured in km) below the surface of the earth
Down
An earthquake whose focus is located more than 300 kilometers from the earth's surface
The point on the Earth's surface vertically above the point
Outermost solid layer of the earth that forms the continents and is composed of igneous, metamorphic, and sedimentary rocks
A fault that is considered likely to undergo renewed movement within a period of concern to humans
Steplike linear landform coincident with a fault trace and caused by geologically recent slip on the fault
The rate of change of velocity of a reference point
Ground shaking and radiated seismic energy caused most commonly by sudden slip on a fault
Time interval between the first and last peaks of strong ground motion above a specified amplitude
The outermost major layer of the Earth, ranging from about 10 to 65 km in thickness worldwide