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EARTHQUAKE ›› 2023, Vol. 43 ›› Issue (4): 200-214.doi: 10.12196/j.issn.1000-3274.2023.04.013

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Research Progress and Prospects of Coastal Earthquake Anomalies Based on Remote Sensing Technology

ZHANG Lu1,2, JIANG Meng1, JING Feng1   

  1. 1. Institute of Earthquake Forecasting, CEA, Beijing 100036, China;
    2. Beijing Earthquake Agency, Beijing 100080, China
  • Received:2023-05-08 Revised:2023-06-04 Online:2023-10-31 Published:2023-12-29

Abstract: During the seismogenic stage of a strong earthquake, the geophysical and geochemical changes in the tectonic plate and fault zone can propagate to the earth's surface and atmosphere through the medium, which can be observed by sensors aboard on satellite in the form of electromagnetic waves. During the past three decades, many geophysical and geochemical anomalies before continental earthquakes have been extracted and analyzed using satellite data. But less studies have been conducted on coastal earthquakes. Combined with the visualization analysis provided by the software named CiteSpace, the present paper comprehensively reviews the anomalies associated with coastal earthquakes based on remote sensing observation. By summarizing the variation characteristics of oceanic and atmospheric parameters related to coastal earthquakes, we discussed the key issues restricting the application of remote sensing technology in the research related to coastal earthquakes anomalies at present. Finally, combined with the analysis of problems and challenges in this field, the trend of coastal anomalies observation using remote sensing data is prospected, which provides an important support for the construction of comprehensive seismic multi-geosphere coupling model that includes both continental and oceanic earthquakes.

Key words: Earthquake precursors, Oceanic/Coastal earthquake, Remote sensing

CLC Number: