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Words related to seismic

seis·mic
S s

  • seismic gap

    the part of an active fault that has experienced little or no seismic activity for a long period, indicating the buildup of stresses that are useful in predicting earthquakes.

  • accelerogram

    a graphic record in chart form, produced by an accelerograph in response to seismic ground motions.

  • asthenosphere

    a thin semifluid layer of the earth (100–200 km thick), below the outer rigid lithosphere, forming part of the mantle and thought to be able to flow vertically and horizontally, enabling sections of lithosphere to subside, rise, and undergo lateral movement

  • benioff zone

    a long narrow region, usually adjacent to a continent, along which earthquake foci lie on a plane which dips downwards at about 45° and along which the oceanic lithosphere is thought to be descending into the earth's interior

  • brontide

    a rumbling noise heard occasionally in some parts of the world, probably caused by seismic activity.

  • earthquake engineer

    a civil engineer who studies the effects of seismic activity on structures and consults on earthquake-resistant design and construction.
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