What is another word for micro-seisms?
Pronunciation: [mˈa͡ɪkɹə͡ʊsˈa͡ɪzəmz] (IPA) 
Micro-seisms are defined as small or minor seismic movements that occur below the seismic threshold. Synonyms that can be used for micro-seisms include tremors, quivers, shivers, vibrations, shakes, and jolts. The various synonyms used for micro-seisms not only describe the nature of the phenomenon but also give an idea of its intensity and duration. Tremors and vibrations imply a continuous, gentle movement, while a jolt or shake suggests a sudden, sharp movement that is over quickly. Quivers and shivers are also used to describe low-intensity movements that are barely perceptible. The use of alternate synonyms can help provide more clarity and context when discussing seismic activity.
