Green earthquake (Magnitude 5.4M, Depth:52.51km) in Papua New Guinea 25/06/2026 06:19 UTC, 280 thousand in MMI IV.. On 6/25/2026 6:19:38 AM, an earthquake occurred in Papua New Guinea potentially affecting 280 thousand in MMI IV. The earthquake had Magnitude 5.4M, Depth:52.51km.