Seismology

Seismology

The study of earthquake, seismic sources, and wave propagation through the Earth.

Industry: Earth science

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Seismology

Density

Earth science; Seismology

The mass per unit volume of a substance, commonly expressed in grammes per cubic centimeter.

The main bulk of the Earth, between the crust and the core, ranging from depths of about 40 to 3470 kilometres. It is composed of dense silicate rocks and divided into a number of concentric shells. ...

Mantle (of Earth)

Earth science; Seismology

The main bulk of the Earth, between the crust and core, ranging in depths of about 40 to 3470 kilometers. It is composed of dense silicate rocks and divided into a number of concentric shells.

Slip vector

Earth science; Seismology

The magnitude and orientation of dislocation of formally adjacent features on opposite sides of a fault.

Fundamental period

Earth science; Seismology

The longest period for which a structure shows a maximum response. The reciprocal of natural frequency.

Latitude

Earth science; Seismology

The location of a point north or south of the equator. Latitude is shown on a map or globe as east-west lines parallel to the equator.

Longitude

Earth science; Seismology

The location of a point east or west of the prime meridian. Longitude is shown on a map or globe as north-south lines left and right of the prime meridian, which passes through Greenwich, England.