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EARTHQUAKE MAGNITUDE [1 record]

Filter results by subject field Alphabetical list of terms

Filter results by subject field

Alphabetical list of terms

Record 1 2003-12-23

English

Subject field(s)
  • Vulcanology and Seismology
DEF

A measure of the total energy released by an earthquake, in contrast to its intensity.

French

Domaine(s)
  • Volcanologie et sismologie
OBS

Plusieurs échelles de magnitude existent suivant le type d'onde ayant permis la mesure : à faible distance, la magnitude Ml sur les ondes de surface (échelle de Richter); à grande distance, la magnitude Mb (2e échelle de Richter) sur les ondes P ou la magnitude Ms (échelle de Gutenberg-Richter) sur les ondes S; ne pas confondre l'échelle de Richter avec l'échelle des intensités (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

Campo(s) temático(s)
  • Vulcanología y sismología
DEF

Intensidad de un seísmo expresada en grados de la escala de Gutenberg y Richter.

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