TERMIUM Plus®

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TREMBLEMENT TERRE PRINCIPAL [1 record]

Record 1 2010-12-02

English

Subject field(s)
  • Vulcanology and Seismology
DEF

The largest ... shock in an earthquake sequence.

OBS

An aftershock is an earthquake that occurs after a previous earthquake, the mainshock. An aftershock is in the same region of the main shock but always of a smaller magnitude. If an aftershock is larger than the main shock, the aftershock is redesignated as the main shock and the original main shock is redesignated as a foreshock.

OBS

main shock; principal shock: terms used at Natural Resources Canada - Earth Sciences Sector.

French

Domaine(s)
  • Volcanologie et sismologie
DEF

Le plus gros séisme d'un «groupe» de séismes.

CONT

Les secousses principales (séismes principaux) sont parfois précédées de «secousses prémonitoires» et généralement suivies de «répliques»

CONT

La dispersion des répliques qui suivirent la secousse principale résulte de petits glissements le long de ces failles.

Spanish

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