140 km E of Kokopo, Papua New Guinea
us200081v8A M7.9 earthquake struck 140 km E of Kokopo, Papua New Guinea at a depth of 10 km. This early 21st century seismic event was recorded and analyzed by the US Geological Survey. This earthquake occurred in a subduction zone, where one plate descends beneath another into the mantle. Subduction zones generate the planet's most powerful earthquakes.
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