M 4.6 – 35km NNE of Hihifo, Tonga August 16, 2019 by Marc Szeglat Time 2019-08-16 03:19:03 UTC 2019-08-15 15:19:03 -12:00 at epicenter Location 15.639°S 173.681°W Depth 101.60 km (63.13 mi)