island      site_name    latitude       longitude      depth_feet    date          observer    
Adak        12           51.88707       176.61505      20            2014-07-04    Konar       
Adak        20           51.85436       176.60333      20            2014-07-04    Konar       
Adak        26           51.85314       176.58575      20            2014-07-04    Konar       
Adak        35           51.83047       176.57978      20            2014-07-04    Konar       
Adak        42           51.83993       176.51905      20            2014-07-04    Konar       
Adak        46           51.85496       176.47653      20            2014-07-04    Konar