=========================== FOLLOWING PSMSL DOCUMENTATION ADDED 12-Jul-1993 Yosioka 641/034 RLR(1986) is 9.0m below Standard Mark =========================== FOLLOWING PSMSL DOCUMENTATION ADDED 29-Aug-1995 A destructive earthquake and tsunami occurred in the Kuril Islands on 4 October 1994 - see Earth System Monitor, 5(4), June 1995.