Short-term Earthquake Prediction Based on Seismic Precursory Electric  Signals Recorded on Ground Surface.






“What today seems impossible, is tomorrow’s reality”








   In the page of the "STRANGE ATTRACTOR ADVANCED MODEL (2023)" it was demonstrated

- Ellipse  of various types when electrical noise and moderate EQ signal are present.

- Almost circles when electrical noise and high level EQ signal are present.

recorded by two monitoring sites are processed by the "strange attractor" methodology.


So what is the use of such Ellipses and Circles? Just remember what is called "strange attractor" in the earthquake prediction topic. Each point of a circle is the intersection of the azimuthal directions of the earth's electric field recorded by the two monitoring sites. Therefore, a specific point is the epicenter of the EQ which generates the recorded signals. The seismological target is to determine the epicenter of the EQ which creates such a "strange attractor" electric EQ precursor.


  The specific problem was solved as follows:

  A hypothetical monitoring array was adopted, consisted of two (2) monitoring sites M1, M2 and a hypothetical random EQ, all of known X, Y coordinates. Next, the theoretical Ellipses or Circles were determined in pair M1-M2. At the next step the EQ with  X, Y  coordinates were ignored and an inversion process was applied on Ellipses or Circles by using a random pair of EQ X, Y coordinate values as initial guess. The results are presented in live form graphs for random EQ location and as total array, using joint inversion methodology.


Each graph consist of two parts. The left is the main live presentation, controlled by the buttons below it and the right one which presents all the parameters of the process and how these change along it.



Note that the graph scale changes automatically matching its time the full size of the calculating graph.


Ellipse Inversion



Ellipse Inversion



Ellipse Inversion



Ellipse Inversion



Almost Circle Inversion



Almost Circle Inversion




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