=========================== FOLLOWING PSMSL DOCUMENTATION ADDED 29-AUG-95 :
A destructive earthquake and tsunami occurred in the Kuril Islands on 4 October 1994 - see Earth System Monitor, 5(4), June 1995.
=========================== BENCHMARK INFORMATION UPDATE ADDED  12-JUL-93 :
Yosioka             641/034 RLR(1986) is 9.0m below Standard Mark

