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Related to microseism: microcosm


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

mi′cro·seis′mic (-sīz′mĭk, -sīs′-) adj.


(Geological Science) a very slight tremor of the earth's surface, thought not to be caused by an earthquake
microseismic, ˌmicroˈseismical adj


(ˈmaɪ krəˌsaɪ zəm, -səm)

a feeble recurrent vibration of the ground recorded by seismographs and believed to be due to an earthquake or a storm at sea.
[1885–90; micro + Greek seismós earthquake (see seismic)]
mi`cro•seis′mic, mi`cro•seis′mi•cal, adj.


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
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.microseism - a small earthquakemicroseism - a small earthquake      
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
References in periodicals archive ?
Production practice has proved that rock bursts and microseism easily occur when mining in the vicinity of a fault (Alber et al.
Based on this framework, the amplitude of the secondary microseism [A.
Yang, "Improvement of microseism locating based on simplex method without velocity measuring," Chinese Journal of Rock Mechanics and Engineering, vol.
04 hertz and that the horizontal components are quieter than the vertical components above the microseism peak at about 0.
2001) analysed the fracturing characteristics of roofing from the perspective of microseism while Peng (1973; 1993) revealed the pattern of roofing activity and structural characteristics of roofing at the working face from the perspective of indoor rock mechanics and physical equivalent simulation.
These small and short-lived seismic waves are called microseisms and have been known to science for long, but until recently, they were known to occur only as a result of ocean or sea waves.
It also provides insight into small scale surveys using the Tromino and for looking into factors that can affect microseisms that may have been overlooked or are not well documented.
Research into microseismic activity and short-period microseisms on earthquake monitoring, Bulletin of the Institute of Geophysics.
The microseisms created by hydraulic fracturing are too small to be felt, or to cause damage at the ground surface or to nearby wells.
Equipment for registration of microseisms and local magnitude at RGS Trosnyk, Beregove, Nyzhnye Selyshche and Brid.
A note on the use of microseisms in determining the shallow structures of the Earth's Crust.