5.6 Earthquake - South Pacific Ocean, 81 km northwest of Hihifo, Niuas, Tonga

"A strong magnitude 5.6 earthquake occurred in the South Pacific Ocean 130 km (81 mi) from Tonga late in the evening at 11.10 pm local time (GMT +13). The quake had a moderate depth of 198 km (123 mi) and was not felt (or at least not reported so)." VD