us geological survey
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U.S. Geological Survey
A big 7.3 magnitude earthquake strikes between Philippines and Indonesia
The 7.3-magnitude quake was measured at a depth of 380 miles (617 km) at 2:13′ pm local time. According to the US Geological Survey (USGS) the quake struck in the centre of the Celebes Sea, off Sulu.
An aftershock of 4,9 magnitude was recorded 12 minutes later.