Earth science

Earth science

Any of several geological sciences that are concerned with the earth, its origins, and all of its various structures and physical forms and phenomena.

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Earth science > Seismology

earthquake recurrence interval

Earth science; Seismology

The average interval time between the occurrence of earthquakes in a particular region.

depth phases

Earth science; Seismology

Upgoing rays that travel from the source to the free surface, reflect, and travel on to the receiver.

duration of strong shaking

Earth science; Seismology

The duration is the time interval between the first and last peaks of strong ground motion above a specified amplitude.

refract

Earth science; Seismology

To bend or change direction due to an acoustic impedance contrast.

consolidated

Earth science; Seismology

Tightly packed. Composed of particles that are not easily separated.

isostasy

Earth science; Seismology

The way in which the lithosphere "floats" on the asthenosphere. There are two models generally accepted, the Airy model which is load "floating" in the asthenosphere with a root ...