=========================== FOLLOWING PSMSL DOCUMENTATION ADDED 11-Jun-1991
Ketchikan           821/051 RLR(1964) is 10.2m below BM22
=========================== FOLLOWING PSMSL DOCUMENTATION ADDED 02-Apr-1992
South Alaskan coastline earthquake prone - e.g. magnitude 9.2 earthquake of 28 March 1964 - See Savage and Plafker, JGR, 96(B3), 4325-4335, 1991