WEPA40 RJTD 231237 TSUNAMI BULLETIN NUMBER 001 ISSUED BY NWPTAC(JMA) ISSUED AT 1237Z 23 JUN 2015 PART 01 OF 01 PARTS HYPOCENTRAL PARAMETERS ORIGIN TIME:1218Z 23 JUN 2015 PRELIMINARY EPICENTER:LAT27.7NORTH LON140.3EAST BONIN ISLANDS, JAPAN, REGION GUAM TO JAPAN FOCAL DEPTH:483km MAG:6.9(MJMA) EVALUATION THERE IS NO POSSIBILITY OF A TSUNAMI THIS WILL BE THE FINAL BULLETIN UNLESS THERE ARE CHANGES ABOUT THE POTENTIAL OF TSUNAMI GENERATION BY RE-EVALUATION OF THE EARTHQUAKE OR THERE ARE REPORTS ON TSUNAMI OBSERVATIONS. =