Ring-shaped seismicity structures
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Ring-shaped seismicity structures are patterns in earthquake activity where their epicenters are distributed evenly to form a ring-like or elliptical shape. They are often associated with the preparatory process of a large earthquake by seismologists. Analysing these patterns can assist in forecasting the locations and magnitudes of future earthquakes. In most cases, these earthquakes involved are weak and they are evenly distributed on both sides of the ellipse.[1]