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Seismology

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

Contributors in Seismology

Seismology

higher-modes

Earth science; Seismology

Secondary frequencies generated that have one or more nodes of zero motion (see also Fundamental mode).

turbidites

Earth science; Seismology

Sea-bottom deposits formed by massive slope failures where rivers have deposited large deltas. These slopes fail in response to earthquake shaking or excessive sedimentation load. The temporal ...

tomographic

Earth science; Seismology

Construction of the image of an internal object or structure (in 3-D) from measurements of seismic waves at the surface.

tomography

Earth science; Seismology

Construction of the image of velocity variations inside the Earth from measurements of seismic waves at the surface.

source-time function

Earth science; Seismology

Contain all of the information available on the details of the earthquake rupture (e.g. duration of rupture, directivity effects, moment release).

inner core

Earth science; Seismology

Central solid region of the Earth's core, probably mostly iron; radius is about 1221 kilometers, discovered by Inge Lehmann in 1936.

island arc

Earth science; Seismology

Chain of islands above a subduction zone (e.g., Japan, Aleutians).

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