It was a blast felt for blocks. A gas explosion blew apart a Queens home on Monday night, injuring several people.

The force of the explosion blew out the back of the building and bowed the front of it — all after an early evening blast heard from blocks away.

The explosion sent two occupants away in ambulances — a man found in the back with burns on his body and a woman buried by rubble and rescued by firefighters.

As for the cause, FDNY Chief Edward Kilduff said one of the victims was emptying his propane tank.

“We’re not sure why but he was in the backdoor. The wind must have shifted and it actually blew the propane into the house, so now we have the propane in the house. When it hit an ignition point, it blew up,” Kilduff said.

(Source: WCBSTV)