Hours after a 7.1 magnitude earthquake struck Japan on Tuesday, the tremors reportedly triggered a blast at Aeon Mall Kumamoto in Kashima Town.An aerial view shows the damaged Aeon Mall shopping centre, where, according to local media, an explosion occurred after an earthquake with a preliminary magnitude of 7.1 struck Japan's southern Kumamoto prefecture, in Kashima Town, Kumamoto Prefecture (via REUTERS)As per a statement from the retailer, customers have been evacuated, but several are trapped and feared dead.Local news agency NHK cited fire officials, who stated that part of the second floor of the building collapsed due to the explosion."Kashima town, a shopping complex's second floor collapsed, leaving many people trapped inside," the fire department said in a statement, as per AFP. Police also said earlier they had received reports of what sounded like an explosion at the Aeon Mall outlet in the Kumamoto region. This is a developing story…