= Microtremor
{wiki=Microtremor}
Microtremors refer to very low amplitude seismic waves or vibrations that occur in the ground, typically caused by natural phenomena like ocean waves, wind, or human activities, such as traffic or machinery. They are generally imperceptible to the human senses but can be detected using sensitive instruments. Microtremors are often studied in the context of geophysics and engineering because they can provide valuable information about subsurface conditions, such as soil properties and structural integrity.
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