The 2021 Kermadec Islands earthquakes were a series of earthquakes with magnitudes of 8.1 and 7.4 that occurred at 19:28:31 UTC on 4 March 2021. The epicentres were located southeast of Raoul Island in the Kermadec Islands, part of the New Zealand outlying islands. The main magnitude 8.1 earthquake was preceded by a magnitude 7.4 foreshock and followed by a magnitude 6.1 aftershock. A separate, unrelated magnitude 7.3 earthquake occurred off the coast of the North Island of New Zealand, approximately 900 km to the south, several hours before the main quakes. More than a dozen aftershocks exceeded magnitude 6. Magnitude 8.1 (mww), 29 km deep, 2021 Kermadec Islands, New Zealand Earthquake — 29.72°S, 177.28°W. March 4, 2021 at 19:28 UTC. Tsunami: USGS flags this quake as having caused one, or the potential for one. Felt reports to USGS: 13. Wiki link https://earthquake.usgs.gov/earthquakes/eventpage/us7000dflf Data: US Geological Survey (public domain).