You felt this earthquake. Tell us! Magnitude M 6.1 Region TONGA Date time 2015-10-18 16:18:55.5 UTC Location 16.33 S ; 173.37 W Depth 206 km Distances 326 km SW of Apia, Samoa / pop: 40,407 / local time: 06:18:55.5 2015-10-19 265 km N of Neiafu, Tonga / pop: 4,320 / local time: 05:18:55.5 2015-10-19 Source parameters not yet reviewed by a seismologist More information at: USGS/NEIC Denver, USA GeoForschungsZentrum (GEOFON) Potsdam, Germany