Moderate mag. 4.3 earthquake - Bismarck Sea, 52 km northeast of Unea Island, Papua New Guinea, on Monday, May 18, 2026, at 04:13 am (Port Moresby time)

https://www.volcanodiscovery.com/earthquakes/quake-info/23010598/mag4quake-May-17-2026-Papua-New-Guinea-Bismarck-Sea.html