一起事件是在1999年3月，日本自卫队在石川县能登半岛（NotoPeninsula）附近水域发现两艘朝鲜间谍船，自卫队进行驱逐并开枪示警。
In the first case in March 1999 the SDF chased two North Korean spy ships and fired warning shots after the ships were spotted off Noto Peninsula in Ishikawa Prefecture .
能登半岛