Benioff zone

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Benioff zone

(ˈbɛnɪəf)
n
(Geological Science) 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. Compare subduction zone
[C20: named after Hugo Benioff (1899–1968), American seismologist, who first discovered the phenomenon]
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References in periodicals archive ?
Using seismic modelling techniques the researchers analysed earthquakes which occurred more than 100 km below Earth's surface in the Wadati-Benioff zone, a plane of Earthquakes that occur in the oceanic plate as it sinks deep into the mantle.
Pennington (1981) obtained contours for the Wadati-Benioff Zone (WBZ) beneath northwestern South America and determined three segments with different directions and dip angles: the Bucaramanga segment from 5.
In Central and Southern Peru, local and teleseismic data allow having insights on the Wadati-Benioff zone (WBZ) geometry.