THE SPATIAL-TEMPORAL CHARACTERISTICS OF INFORMATION GAIN BEFORE MEDIUM EARTHQUAKES
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Graphical Abstract
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Abstract
the variation of information gain and its spatial-temporal characteristics for six ML≤4.7 earthquakes in Henan Province and its adjacent area are mainly studied.Based on these characteristics,The earthquakes are classified into two categories;Ⅰ type (anomaly appearance-earthquake occurrence) and Ⅱ type (anomaly appearance-anomaly disappearance-earthquake occurrence).According to the spatial-temporal images of information gain,the tendency of potential earthquake,as well as its magnitude(if larger than 5),epicentral position and occurrence time in the abnormal area is discussed.
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