Definitions for: Microseism

[n] a small earthquake

Webster (1913) Definition: Mi"cro*seism, n. [Micro- + Gr. ? an earthquake, fr.
? to shake.]
A feeble earth tremor not directly perceptible, but detected
only by means of specially constructed apparatus. --
Mi`cro*seis"mic, *seis"mic*al, a.

Synonyms: earth tremor, tremor

See Also: aftershock, earthquake, foreshock, quake, seism, temblor