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Once the application has been selected the User is requested to fulfill some fields with parameter values needed for the SSH analysis (Figure 2). These parameters are:

Using seismic catalogCatalog: A catalog has been already uploaded since the previous step, however, the User has the chance to select a different dataset, either from another episode or the any dataset after performing some processing/ filtering (see "AH Episode" and "Data Handling Applications" chapters).

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Magnitude distribution estimation method: Four different methods are available in the IS-EPOS platform: The Unbounded Gutenberg-Richter, the Upper-bounded Gutenberg-Richter, the unbounded non-parametric and the Upper-bounded non parametric estimations. To select one of the aforementioned methods of analysis, the User has to click on the arrow in the respective box.

Magnitude iteration: Here the User is requested to enter minimum ('Start' tab), maximum ('End' tab) and step ('Step' tab) values of the magnitude. After that, the platform will evaluate the distribution parameters as a function of magnitude.

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  • Choose mode: To options are available by clicking on the arrow in the respective field: "Fixed magnitude" and "Fixed time period length"
  • Magnitude/ Period length: Parameter is requested according to the selected mode (Magnitude or Period length, for Fixed magnitude or Fixed time period length, respectively)
  • Time period length iteration / magnitude iteration : Parameter minimum value ("start" tab), maximum value ("end" tab) and step value ("step" tab) are requested according to the selected mode (Time period length of magnitude, for Fixed magnitude or Fixed time period length, respectively).

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Figure 6.

The User now has to click on the "Run" button in order to start the calculation process.The results are available in both vector format (red frame of Figure 7), or by a x-y plot shown in Figure 7. 

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Figure 7.

  •  Maximum Credible Magnitude: In this case the User has only to enter a minimum value ("start" tab), a maximum value ("end" tab) and a step value ("step" tab) for the time period length iteration. After running the process, the results are also available in both vector format (see example above and Figure 8)

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