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The IS_EPOS web platform is available at https://tcs.ah-epos.eu/login.html. IS-EPOS operational language is English. If a user already has an account, he/she can easily log in by simply providing the e-mail address and password. To create an account, the user shall click on either the ‘SIGN UP’ or the 'SIGN UP TO GET ACCESS' tab available (shown in the red frames, Figure 1). The fields that the user is requested to fill are shown in Figure 2. After submitting the registration form the system generates a password which is sent by e-mail to the user and can be hereinafter used for logging in the IS-EPOS web-platform.
Figure 1. Home Page of IS-EPOS platform
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Figure 2. Registration form to sign up
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The home page of IS-EPOS platform is shown in Figure 3. The user may switch among the IS-EPOS portal, Documents repository, Platform User Guide and Forum (Field 1, Figure 3). Portal grants access to three major facility categories: The AH Episodes (database), the Applications (Field 2, Figure 3) and the user's workspace (Field 3 Figure 3). In the workspace the user may upload and use the available data and Applications at any combination. In the example of Figure 3 the AH-Episodes category is selected and the user may select an Episode from the list or filter this list by either involvement in particular Project or Impacting Factor (Field 4, Figure 3). In such way the user obtains access to the selected Episode database. Alternatively, advanced data search can be performed (Field 5, Figure 3), which provides additional filtering and searching options.
Figure 3. AH Episodes Main Page of IS-EPOS
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Field 4, "See more information in Document Repository", leads the User to the document repository engine.
Figure 4. Demonstration of an AH Episode
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Step 2: Select a data type from the list (e.g. ‘Catalog’ in this example). There are several data types available with respect to the episode and the induced seismicity technology:
Step 3: Once the user selects one data type, access is granted to data attributes, numerical values and visualization applications. For further data processing the user has to click on the "Actions" tab and then on the 'ADD TO WORKSPACE' window which appears right below (red frame at the top of Figure). There are several option for that, either add as a link or a copy to a selected location (directory). The data has now moved to the workspace and can be processed by the means of Data Handling and Data Processing applications and Visualization tools:
Step 4: Once the selected data are uploaded in the workspace (a file has appeared in the workspace tree), the user may click on the 'Actions' tab in order to use these data in one of the available applications as shown in the figure. 'Source size distribution functions/ Stationary Hazard' is selected in this case:
Step 5: The application has now been selected and the user is requested to fulfill some fields with parameter values needed for the SSH analysis (red frames in the Figure). These parameters can be selected either from a list of values (e.g. 'Select Magnitude column') or just typed by the user (e.g. 'Start', 'End' and 'Step of Magnitude'. Note that 'Mmin' parameter can either be typed or chosen from the histograms after clicking on 'Histogram' or 'Cumulative Histogram' tabs. 'Change Input' can be selected for using adifferent dataset under the precondition that it is already uploaded in the workspace. Once all the parameters have been selected, the user may click on the 'Run' button (green button at the bottom of the figure), for the calculation process to be initiated:
Step 6: The process soon terminates and the status changes to 'Finished'. The results of the process include a report with parameters values previously selected by the user and then estimated by the system (blue panel in the figure) and two charts plotting the PDF and CDF of the magnitude distribution, respectively, as functions of magnitude. The figures may be printed or downloaded by clicking on the icons indicated in the red frame of the figure. Options for figure handling are available below the charts.
Step 7: The output of the Application contains files in matlab format (.mat files shown in the blue frame of the figure). These files can be further used in a variety of actions including downloading, copying and use in other applications e.g. for estimating the Mean Return Period (red frame of the figure).
IS-EPOS is available in social media
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