mi·cro·seism (m  kr -s zm)n. A faint earth tremor caused by natural phenomena, such as winds and strong ocean waves. mi cro·seismic (-szm k, -ss-) adj. |
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
| microseism (mkr-szm) A faint Earth tremor, unrelated to earthquakes, caused by natural phenomena, such as winds and strong ocean waves. |
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
ThesaurusLegend: Synonyms Related Words Antonyms
| Noun | 1. |  microseism - 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 |
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