Definition of microseism in English:

microseism

noun

Geology
  • A very small earthquake, less than 2 on the Richter scale.

    • ‘The microseisms are located and the data is used to create maps of the hydraulic fracture geometry.’
    • ‘Collectively, these ocean microseisms have an annual cumulative seismic energy comparable to that generated from earthquakes, said Kedar.’
    • ‘The phase velocities of microseisms recorded with an array of eight instruments are measured in four different locations.’
    • ‘Scientists believed that microseisms are generated when the large ocean waves of hurricanes interfere or strike a coastline.’
    • ‘Based on experimental data it is shown, that the hypothesis of resonant amplification of microseisms in the resonator between daylight surface and oil reservoir is more adequate.’
    earth tremor, tremor, convulsion, shock, foreshock, aftershock
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Pronunciation

microseism

/ˈmʌɪkrəʊˌsʌɪz(ə)m/