June 18 (Reuters) -

* NHK SAYS QUAKE OFF JAPAN COAST HAS NOT AFFECTED KASHIWA-KARIWA NUCLEAR PLANT, ALL 7 UNITS HAVE SHUT DOWN SAFELY

* NO IRREGULARITIES AT ONAGAWA NUCLEAR POWER STATION AFTER QUAKE STRIKES OFF JAPAN'S NORTHWESERN COAST

* NHK REPORTS SOME POWER OUTAGES IN NIIGATA AND YAMAGATA PREFECTURES AFTER QUAKE OFF JAPANESE COAST

* NO REPORTS OF INJURIES AFTER QUAKE - NHK Source text for Eikon: Further company coverage: [ ] (Reporting by Malcolm foster)

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