Green earthquake (Magnitude 4.9M, Depth:73.067km) in Papua New Guinea 28/06/2026 02:59 UTC, 390 thousand in 100km.. On 6/28/2026 2:59:20 AM, an earthquake occurred in Papua New Guinea potentially affecting 390 thousand in 100km. The earthquake had Magnitude 4.9M, Depth:73.067km.