A magnitude 7.1 earthquake struck Kumamoto Prefecture in southwestern Japan on Tuesday afternoon.
More than 50 people were injured, NHK reported, citing local authorities.
Local media reported a possible explosion at a shopping center in Kashima.
Several people were reportedly trapped or injured.
Rescue operations are underway.
A tsunami advisory was issued after the quake but lifted within two hours.
Produced by Xinhua Global Service ■
