Watch yes. (snippet from US embassy warning)
EMERGENCY MESSAGE TO U.S. CITIZENS
Tsunami Watch for Chittagong, Bangladesh
The Pacific Tsunami Warning Center (
http://ptwc.weather.gov/) reported a 8.7 earthquake off the Western coast of Northern Sumatra, on Wednesday, April 11, 2012. The Center issued a tsunami watch for the Indian Ocean and projected that potential waves, should they be generated, could arrive to Chittagong, Bangladesh at 17.35 (5.35 pm) today, April 11, 2012.