microseism (redirected from microseisms)

mi·cro·seism  (mkr-szm)

n.

A faint earth tremor caused by natural phenomena, such as winds and strong ocean waves.

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micro·seismic (-szmk, -ss-) adj.

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microseism [ˈmaɪkrəʊˌsaɪzəm]

n

(Earth Sciences / Geological Science) a very slight tremor of the earth's surface, thought not to be caused by an earthquake

microseismic  [ˌmaɪkrəʊˈsaɪzmɪk], microseismical adj

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microseism  (mkr-szm)

A faint Earth tremor, unrelated to earthquakes, caused by natural phenomena, such as winds and strong ocean waves.

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microseism

an almost imperceptible earth tremor caused by a violent sea storm or an earthquake and detected only by a microseismometer. — microseismic, adj.

See also: Earthquakes

Thesaurus

Noun

1.

microseism - a small earthquake                   earth tremor, tremor earthquake, quake, seism, temblor - shaking and vibration at the surface of the earth resulting from underground movement along a fault plane of from volcanic activity aftershock - a tremor (or one of a series of tremors) occurring after the main shock of an earthquake foreshock - a tremor preceding an earthquake