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Seismic catalog contains various important information as demonstrated in Figure 6 and Figure 7. The User may upload the catalog data in the workspace by selecting "Actions" (field 1, Figure 6) and then "Add to workspace". Below this field, a short summary of the catalog is provided, containing the number of events, time period that the Episode covers, depth range of seismicity and magnitude range of the events. Below the summary, there are some action tabs (fields 2-6, Figure 6). The attributes of the catalog are displayed below these tabs, and they comprise the Name of the attribute, a brief description, the minimum and maximum values and the number of valid values (i.e. values that exist, not NaNs). The action tabs are are the following (also see "plot properties" section in "Visualizations" chapter):     

Figure 6.

• Seismic Activity Step plot (field 2, Figure 6): This option shows the seismic activity plotted against time (Figure p1). Zooming in/out and linear/logarithmic scale of the y-axis are available.

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Additional plotting options are available be by clicking on the gear icon shown in field 7 of Figure 6 (right hand side). These options include histograms (interval, cumulative and reversed cumulative histograms) and 1-D plots.  Zooming in/out and linear/logarithmic scale of the y-axis are available. Moreover, in histograms the bar step can be modified and in 1-D plots the chart type can be switched among column, scatter, spline and line.

Even more visualization options are available in at the lower part bottom of the screen, as shown in Figure 7. The epicenters of the seismic events are demonstrated on a google map, which provides zooming, map/satellite view, drawing of national borders and full screen mode are options. The events serial numbers, their origin time and the magnitudes, are shown in the screen after the User clicks on one of the events depicted by the red circles. A variety of plots are available as shown in field 1, Figure 7. The User can chose one of the following plot types, defining the attribute to be shown at the X, Y and Z axis:

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