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Seismology

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

Contributors in Seismology

Seismology

Wave dilatation

Earth science; Seismology

Initial motion toward (pulling) the source. The opposite of compression.

Magma

Earth science; Seismology

Molten rock material that forms igneous rocks upon cooling.

Divergence

Earth science; Seismology

Measures the flux of a vector field through a unit of volume.

Surface-wave magnitude

Earth science; Seismology

Magnitude of an earthquake estimated from measurements of the amplitude of surface waves.

Moment magnitude (MW)

Earth science; Seismology

Magnitude of an earthquake estimated by using the seismic moment.

Body-wave magnitude

Earth science; Seismology

Magnitude of an earthquake as estimated from the amplitude of body waves.

Magnitude

Earth science; Seismology

A general term for a measure of the strength or energy of an earthquake as determined from seismographic information.

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