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MICROSEISMICITY [2 records]

Filter results by subject field Alphabetical list of terms

Filter results by subject field

Alphabetical list of terms

Record 1 2007-10-23

English

Subject field(s)
  • Vulcanology and Seismology
DEF

The occurrence of small-magnitude earthquakes.

CONT

Further techniques in the weaponry of the geophysicist include: gravity measurements; seismic measurements, reflective and refractive ... micro-seismicity ...

OBS

microseism: A feeble rythmically recurring earth tremor that is not directly perceptible, that is detectable only by means of specially constructed apparatus.

OBS

microseismicity : term used at Natural Resources Canada-Earth Sciences Sector.

French

Domaine(s)
  • Volcanologie et sismologie
DEF

Sismicité instrumentale (petits séismes non ressentis par l'homme).

CONT

Les techniques supplémentaires de l'arsenal du géophysicien comprennent : les mesures de gravité; les mesures de sismique, réflexion et réfraction [...]; la microsismicité [...]

OBS

microséisme : Séisme détectable seulement au moyen d'instruments enregistreurs.

OBS

microsismicité : terme en usage à Ressources naturelles Canada - Secteur des sciences de la Terre.

Spanish

Save record 1

Record 2 2006-05-23

English

Subject field(s)
  • Vulcanology and Seismology
  • Mining Engineering
DEF

... a proven technology for acquiring empirical data on the dimensions of created fracture systems.

CONT

The production of hydrocarbon reservoirs, the exploitation of hydrothermal fields and mining activity in general are associated with microseismicity. Changes of the local stress fields and pore pressure can initiate sudden movements along existing faults or can generate new fractures which in turn result in the emission of seismic energy. Monitoring and analyses of microseismic events have the potential to delineate the internal structure of the subsurface, to obtain information on the present stress conditions and to image dynamic processes like subsidence and fluid flow.

French

Domaine(s)
  • Volcanologie et sismologie
  • Génie minier

Spanish

Save record 2

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