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1. Using seed. Seed file from the Episode database, automatically uploaded once the seismic event is selected (see 2. bellow) - (KOSTAS: NOT IMPLEMENTED YET IN THIS WAY)
2. Using Seismic Event. Seismic event selected from the Episode catalog after applying successively "Actions", "Use in simple component" and "Event Chooser", as shown in figure 2.Figure 2. Alternatively, the User may upload the respective seed file, once he/she has already selected an event from the catalog by the "Event Chooser" service.The User has just to click on the "Event Chooser", then on "Seismic Event" (shown in the green panel at the left bottom of Figure A1) and then select "Actions", "Use in simple component" and "SeedSearch" (steps indicated in the red boxes, Figure A1).  After this process a simple click on the "Run" that will appear on the screen will upload the appropriate seed file, associated with the previously selected seismic event.
3. Using Velocity Model. Velocity model uploaded from the Geological data of the selected Episode (see "AH Episodes" chapter).

Now, all data needed is available for the FOCI application.

Figure 1.

Figure 2.

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Figure A1

Once all these files are selected, a map appears on the screen showing the epicenter of the selected event (red circle) and the locations of the seismic stations comprising the regional network (green triangles), as demonstrated in figure 3. Information on the event and the stations appears on the screen, after clicking on the circle or the triangles, respectively. Moreover, the waveforms are also shown in the screen and are available for elaboration (see also Waveform viewer guide" in "Visualization" chapter). As depicted in Figure 3, only the vertical channels are shown by default, since the methodology applied in this service uses only P-waves. Nevertheless, the User can make all the channels appear on the window, by ticking the "E" and "N" components, next to the "Show channels" field, just below the map in Figure 3. 

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