event     event_type                sta       cast      date           time      lat       lon       depth_w     activity_and_comments                depth       press    bot      
72        primary_prod_array        19        nd        20070816       1535      23.217    -159.136  nd          deployment_array_2                   5           nd       nd       
72        primary_prod_array        19        nd        20070816       1535      23.217    -159.136  nd          deployment_array_2                   25          nd       nd       
72        primary_prod_array        19        nd        20070816       1535      23.217    -159.136  nd          deployment_array_2                   45          nd       nd       
72        primary_prod_array        19        nd        20070816       1535      23.217    -159.136  nd          deployment_array_2                   75          nd       nd       
72        primary_prod_array        19        nd        20070816       1535      23.217    -159.136  nd          deployment_array_2                   100         nd       nd       
72        primary_prod_array        19        nd        20070816       1535      23.217    -159.136  nd          deployment_array_2                   125         nd       nd       
72        primary_prod_array        19        nd        20070816       1535      23.217    -159.136  nd          deployment_array_2                   150         nd       nd       
72        primary_prod_array        19        nd        20070816       1535      23.217    -159.136  nd          deployment_array_2                   175         nd       nd