event     event_type                sta       cast      date           time      lat       lon       depth_w     activity_and_comments                depth       press    bot      
45        CTD_cast                  6         1         20070813       2256      23.997    -159.011  4674        core                                 5           5.7      11       
45        CTD_cast                  6         1         20070813       2256      23.997    -159.011  4674        core                                 25          25.0     10       
45        CTD_cast                  6         1         20070813       2256      23.997    -159.011  4674        core                                 45          45.7     9        
45        CTD_cast                  6         1         20070813       2256      23.997    -159.011  4674        core                                 75          75.7     8        
45        CTD_cast                  6         1         20070813       2256      23.997    -159.011  4674        core                                 100         99.7     7        
45        CTD_cast                  6         1         20070813       2256      23.997    -159.011  4674        core                                 125         125.3    6        
45        CTD_cast                  6         1         20070813       2256      23.997    -159.011  4674        core                                 150         151.0    5        
45        CTD_cast                  6         1         20070813       2256      23.997    -159.011  4674        core                                 175         175.9    4        
45        CTD_cast                  6         1         20070813       2256      23.997    -159.011  4674        core                                 200         201.3    3        
45        CTD_cast                  6         1         20070813       2256      23.997    -159.011  4674        core                                 250         250      2        
45        CTD_cast                  6         1         20070813       2256      23.997    -159.011  4674        core                                 300         302      1