1983年6月17日上午在北海道举行了由道厅和札幌管区气象台等部门参加的传达地震情报的演习。这次演习叫做“传达气象防灾警报(即海啸警报)演习”。演习共有10个市町村参加,相当于全道的一半。然而事与愿违,正当播放日本电视台上午的宽屏幕节目时,电视节目突然中断,“钏路、带广将发生烈度Ⅴ度地震” On the morning of June 17, 1983, an exercise to convey earthquake intelligence was held in Hokkaido on the participation of the Minato City Hall and the Sapporo Regional Meteorological Station. This exercise is called “Communicating Meteorological Disaster Alarm (ie Tsunami Warning) Exercise”. A total of 10 cities and towns to participate in the exercise, equivalent to half of the whole road. However, when the broad-screen program of Japanese television station was broadcasted in the morning, the television program suddenly ceased and the “钏, 带 带 将 将 将 度 将 将 earthquake”