Seismology

Seismology

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

Industry: Earth science

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Seismology

Wave period

Earth science; Seismology

The time interval between successive crests in a sinusoidal wave train; the period is the inverse of the frequency of a cyclic event.

Arrival time

Earth science; Seismology

The time at which a particular wave phase arrives at a detector.

Continental drift

Earth science; Seismology

The theory, first advanced by Alfred Wegener, that Earth's continents were originally one land mass. Pieces of the land mass split off and migrated to form the continents.

Elastic rebound theory

Earth science; Seismology

The theory of earthquake generation proposing that faults remain locked while strain energy slowly accumulates in the surrounding rock and then suddenly slip, releasing this energy in the form of ...