TOKYO (Reuters) - An earthquake with a preliminary magnitude of 5.5 hit Kumamoto prefecture in southern Japan on Tuesday, broadcaster NHK said.
An MV-22B Osprey aircraft attached to the 31st Marine Expeditionary Unit departs JS Hyuga in support of the Government of Japan's relief efforts following earthquakes near Kumamoto in this U.S. Navy picture April 19, 2016. REUTERS/U.S. Navy/Mass Communication Specialist 3rd Class Gabriel B. Kotico/Handout via Reuters THIS IMAGE HAS BEEN SUPPLIED BY A THIRD PARTY. IT IS DISTRIBUTED, EXACTLY AS RECEIVED BY REUTERS, AS A SERVICE TO CLIENTS. FOR EDITORIAL USE ONLY. NOT FOR SALE FOR MARKETING OR ADVERTISING CAMPAIGNS
A tsunami warning had not been issued, NHK added.
Two deadly quakes hit the same region last week, killing 44 and injuring more than 1,000.
Reporting by Minami Funakoshi; Editing by Chris Gallagher