=========================== FOLLOWING PSMSL DOCUMENTATION ADDED 11-Jun-1991
Topolobampo         830/041 RLR(1964) is 9.2m below BM1
Topolobampo is an historic station last data 1965
=========================== FOLLOWING PSMSL DOCUMENTATION ADDED 30-Jan-1997
Large earthquake offshore of Mexico about 19 degrees North on 9 October 1995 with large tsunami generated. See article by A.E.Filonov in EOS, 78(3), 1997.