[ mahy-kroh-urth-kweyk ]
/ ˌmaɪ kroʊˈɜrθˌkweɪk /


an earthquake of very low intensity (magnitude of 2 or less on the Richter scale).


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Also called microtremor.

Origin of microearthquake

First recorded in 1965–70; micro- + earthquake
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2020