=========================== FOLLOWING PSMSL DOCUMENTATION ADDED 11-Jun-1991
Monbetu II          641/002 RLR(1986) is 12.1m below BM Monbetu
=========================== 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.

