2021-10-04T19:36:38.817Z-17.2081-173.7991180.99manualconfirmedUSGS4.8mb1Origin/20211004195630.52747.76026Magnitude/20211004195630.527525.76027USGS138 km S of Hihifo, Tongaregion nameuscatalogus6000frmxcontributorID