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South Korean officials say Pyongyang may have detonated its fifth atomic device after monitors detect a 5.0-magnitude quake.

Seismic waves, originating from the French island of Mayotte, between Africa and Madagascar, traveled around the world. They were recorded throughout Africa and as far away as Chile, New Zealand, Canada and Hawaii, nearly 11,000 Early Nov. 11, unusual seismic waves traveled around the world and scientists said they haven't seen anything like it before.