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Even more visualization options are available at the bottom of the screen, as shown in Figure 7. The epicenters of the seismic events are demonstrated on a google map, which provides are equipped with 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 on 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 axisaxes:

• 1-D plot with secondary Y-axis (zooming in/out and linear/logarithmic scale of the x-axis and y-axis are available)
• 2-D plot (zooming in/out and linear/logarithmic xlogarithmic scale of the x-axis and y-axis are available)
• 2-D plot with secondary Y-axis (zooming in/out and linear/logarithmic scale of the x-axis and y-axis are available)
• 3-D plot (rotation of the plot is possible after clicking and dragging the cursor through the plot area)
• 2-D Histogram, as shown in Figure 8 (rotation of the plot is possible after clicking and dragging the cursor through the plot area).
  (See also "plot properties" section in"Visualization" chapter)

Figure 7.

Figure 8.

Finally, seismic activity can be plotted together with any other parameter in Field field 2 of Figure 7. An example of seismic activity plotted with latitude is shown in Figure 9. The time step can be set by the User (red frame in Figure 9). The time unit can be chosen as well among hour, day and week (green frame in Figure 9). These options are activated by clicking on the "OK" button. Zooming in/out and linear/logarithmic scale of the y-axis are available for this plot. 

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