5.3 Earthquake - Solomon Sea, 80 km west of Arawa, Bougainville, Papua New Guinea

"A strong magnitude 5.3 earthquake occurred in the Solomon Sea near the coast of Papua New Guinea late in the evening at 11.30 pm local time (GMT +10). The quake had a moderate depth of 107 km (67 mi) and was not felt (or at least not reported so)." VD