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microseism    
n. 微弱的地壳震动

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  • Microseism - Wikipedia
    In seismology, a microseism is defined as a faint earth tremor caused by natural phenomena [1][2] Sometimes referred to as a "hum", [3] it should not be confused with the anomalous acoustic phenomenon of the same name
  • Microseismic - SEG Wiki
    In seismology, a microseism is defined as a faint earth tremor caused by natural phenomena [1] [2] The term is most commonly used to refer to the dominant background seismic noise signal on Earth, which are mostly composed of Rayleigh waves and caused by water waves in the oceans and lakes
  • Microseism | seismology | Britannica
    Small ground motions known as microseisms are commonly recorded by seismographs These weak wave motions are not generated by earthquakes, and they complicate accurate recording of the latter However, they are of scientific interest because their form is related to the Earth’s surface structure AI-generated answers from Britannica articles
  • MICROSEISM Definition Meaning - Merriam-Webster
    The meaning of MICROSEISM is a feeble rhythmically and persistently recurring earth tremor
  • Introduction to microseismic source mechanisms
    Microseismic events can result from natural forces such as tectonic motions (natural seismic-ity) or they can be induced by man-made changes to the nat-ural stress-strain conditions in the earth (induced seismicity)
  • Where do ocean microseisms come from? A study of Love-to-Rayleigh wave . . .
    Ocean microseisms are the continuous seismic background oscillations, which result from the interaction between the atmosphere, the ocean waves, and the solid earth Two distinct peaks are globally observed in the microseism spectra, which differ in frequency and amplitude
  • What generates the microseism? - Earth Science Stack Exchange
    Looking at seismic noise around the Earth there is commonly a peak in the seismic noise around a frequency of 200 mHz This peak is typically referred to as the microseism (an example is shown below) What is the source of these low frequency oscillations
  • Microseism - Geology Exploration
    Microseisms, while often overlooked, represent a valuable resource for the oil and gas industry They offer a unique window into the Earth's subsurface and its complex movements
  • Microseism Studies | Earthquake Prediction Analysis
    Microseisms are very small-scale vibrations of the ground, often undetectable by humans Unlike larger earthquakes, which can cause significant destruction, microseisms are mainly caused by environmental factors such as ocean waves, wind, and human activities
  • Insights Into Microseism Sources by Array and Machine Learning . . .
    Microseism is the most continuous and ubiquitous seismic signal on Earth and is mostly generated by the ocean–solid earth interaction On the basis of spectral content, it is possible to distinguish three types of microseism: primary, secondary, and short-period secondary microseism (SPSM)





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