microseism

[ mahy-kruh-sahy-zuhm, -suhm ]

noun

, Geology.

1. a feeble, recurrent vibration of the ground recorded by seismographs and believed to be due to an earthquake or a storm at sea.

microseism

/ ˌmaɪkrəʊˈsaɪzmɪk; ˈmaɪkrəʊˌsaɪzəm /

noun

1. a very slight tremor of the earth's surface, thought not to be caused by an earthquake

microseism

/ mī′krə-sī′zəm /

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

Derived Forms

• microseismic, adjective

Other Words From

• micro·seismic micro·seismi·cal adjective

Word History and Origins

Origin of microseism¹

First recorded in 1885–90; micro- + seism

Related Words

• shock
• temblor
• upheaval