The force of the initial blast equalled that of 3 tons of TNT; the second explosion was seven times stronger, the equivalent of 21 tons of explosives, according to China's National Earthquake Bureau.
Investigators say a large chunk of plane debris recovered on an island in the Indian Ocean belongs to a Boeing 777 wing. Flight MH370 is the only Boeing 777 known to be missing.
Malaysian Airlines Flight 370? An official says we won't know for weeks whether the debris spotted off an Indian Ocean island belongs to the missing flight MH370. But the public has its own ideas.