A number of earthquakes hit several locations around the world early Monday, with the strongest hitting Papua New Guinea.
The U.S. Geological Survey says the 7-point-5 magnitude tremor struck 89 kilometers southwest of Porgera at a depth of 35 kilometers.
It wasn't immediately clear if there was damage and there was no tsunami threat.
In Taiwan, the China Earthquake Networks Center says a 5-point-0 magnitude quake hit waters about 34 kilometers off the island nation.
It struck at a depth of 17 kilometers and no immediate tsunami warning was issued.
Meanwhile in Japan, a 5-point-7 magnitude tremor struck about 64 kilometers off the coast of Fukushima.
It also didn't pose a tsunami threat.