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FOCAL SPHERE [1 record]

Filter results by subject field Alphabetical list of terms

Filter results by subject field

Alphabetical list of terms

Record 1 2007-12-11

English

Subject field(s)
  • Vulcanology and Seismology
OBS

[an arbitrary reference sphere drawn about the hypocentre or focus of an earthquake, to which body waves recorded at the Earth's surface are projected for studies of earthquake mechanisms]

French

Domaine(s)
  • Volcanologie et sismologie
OBS

Fascicule no 2, NY, 1990.

OBS

Reproduit du lexique «Disarmament and Peace Keeping/Désarmement et Maintien de la Paix» avec l'autorisation de l'Office des Nations Unies à Genève.

Spanish

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