event     event_type                sta       cast      date           time      lat       lon       depth_w     activity_and_comments                depth       press    bot      
110       CTD_cast                  24        1         20070820       0710      24.000    -158.501  4642        core                                 5           7.46     24       
110       CTD_cast                  24        1         20070820       0710      24.000    -158.501  4642        core                                 5           7.77     23       
110       CTD_cast                  24        1         20070820       0710      24.000    -158.501  4642        core                                 25          24.76    22       
110       CTD_cast                  24        1         20070820       0710      24.000    -158.501  4642        core                                 25          24.24    21       
110       CTD_cast                  24        1         20070820       0710      24.000    -158.501  4642        core                                 25          23.68    20       
110       CTD_cast                  24        1         20070820       0710      24.000    -158.501  4642        core                                 25          23.78    19       
110       CTD_cast                  24        1         20070820       0710      24.000    -158.501  4642        core                                 45          45.99    18       
110       CTD_cast                  24        1         20070820       0710      24.000    -158.501  4642        core                                 45          45.71    17       
110       CTD_cast                  24        1         20070820       0710      24.000    -158.501  4642        core                                 45          45.10    16       
110       CTD_cast                  24        1         20070820       0710      24.000    -158.501  4642        core                                 45          44.92    15       
110       CTD_cast                  24        1         20070820       0710      24.000    -158.501  4642        core                                 65          64.89    14       
110       CTD_cast                  24        1         20070820       0710      24.000    -158.501  4642        core                                 75          75.46    13       
110       CTD_cast                  24        1         20070820       0710      24.000    -158.501  4642        core                                 75          75.93    12       
110       CTD_cast                  24        1         20070820       0710      24.000    -158.501  4642        core                                 75          75.74    11       
110       CTD_cast                  24        1         20070820       0710      24.000    -158.501  4642        core                                 85          85.06    10       
110       CTD_cast                  24        1         20070820       0710      24.000    -158.501  4642        core                                 100         100.77   9        
110       CTD_cast                  24        1         20070820       0710      24.000    -158.501  4642        core                                 100         100.02   8        
110       CTD_cast                  24        1         20070820       0710      24.000    -158.501  4642        core                                 125         126.18   7        
110       CTD_cast                  24        1         20070820       0710      24.000    -158.501  4642        core                                 150         149.61   6        
110       CTD_cast                  24        1         20070820       0710      24.000    -158.501  4642        core                                 175         176.02   5        
110       CTD_cast                  24        1         20070820       0710      24.000    -158.501  4642        core                                 200         200.42   4        
110       CTD_cast                  24        1         20070820       0710      24.000    -158.501  4642        core                                 250         250.48   3        
110       CTD_cast                  24        1         20070820       0710      24.000    -158.501  4642        core                                 300         302.10   2        
110       CTD_cast                  24        1         20070820       0710      24.000    -158.501  4642        core                                 500         503.68   1