WEPA40 RJTD 171800 TSUNAMI BULLETIN ISSUED BY JMA ORIGIN TIME 2254Z 16 SEP PRELIMINARY EPICENTER LAT31.5S. LONG72.0W. WESTERN SOUTH AMERICA FOCAL DEPTH ///KM. MAG8.3 TSUNAMI ATTENTION WAS ISSUED FOR JAPAN BY JMA AT 1800Z 17 SEP TSUNAMI IS EXPECTED ALONG THE FOLLOWING JAPAN COASTS: PACIFIC COASTS OF JAPAN EAST CHINA SEA COASTS OF JAPAN WESTERN COASTS OF NORTH JAPAN SETONAIKAI REGION=