GeoNet is reminding people to be prepared following a magnitude 5.5 earthquake near Milford Sound. GeoNet ranked the earthquake, which was one of a series of rumbles in the area, as "moderate". The seismologist on duty at Geonet said the quake appeared to have occurred on the Alpine Fault. The Alpine Fault runs almost the entire length of the South Island, and a signifcant earthquake there would be felt by much of the country. The last major Alpine Fault earthquake happened in 1717 and was estimated to have had a magnitude of around 8.1.

Source: Stuff June 08, 2019 21:33 UTC