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
Documentation added 1998-12-10
Data for 1949-53 received from University of Hawaii Sea Level Center
Documentation added 2011-11-23
Using information from the NOAA website the RLR diagram has been revised. Previous Primary benchmark 11 10.025m above gauge datum no longer appears in the NOAA reports. Secondary benchmark 4050 E 1982 7.498m above gauge datum appears both on the original RLR diagram and the NOAA report. Current Primary benchmark is 4050 Q 1998 16.455m above gauge datum.