When I got invited to give a 75 minute presentation on Fin Whale Seismology or Whale Quakes at Sound Waters: A one day university for all on all things Puget Sound, I decided to try and get the participants active by developing a graphical activity to locate a fin whale calls using sounds picked up by a network of ocean bottom seismic recorders. If you have a drawing compass you can try the activity yourself. Let me know how it goes.
Here are my answers to Figure 4 and Figure 5.
If you are really keen here are four more examples of calls to locate together with a map of the seismic network at a smaller scale for locating more distant call – Warning: Some of these are really hard