Green earthquake (Magnitude 4.7M, Depth:30.018km) in Papua New Guinea 28/06/2026 18:45 UTC, 40 thousand in 100km.. On 6/28/2026 6:45:21 PM, an earthquake occurred in Papua New Guinea potentially affecting 40 thousand in 100km. The earthquake had Magnitude 4.7M, Depth:30.018km.