GeoNet has issued a warning following a magnitude 5.5 quake this morning near Milford Sound.
The 3.24am quake was 5km deep and reported by more than 600 people around Queenstown and Wanaka.
It was part of a swarm of tremors around Milford Sound, including a weak M3.1 quake just minutes ago.
The seismologist on duty at Geonet said the quake appeared to have occurred on the Alpine Fault.
"This fault system has the potential for larger events," Geonet tweeted. "We would like to make sure that you are prepared for a large earthquake at all times."
M5.5 quake north-east of Milford Sound, 5 km deep at 3.24am. This quake was largely felt in the Queenstown and Wanaka areas, with over 600 felt reports submitted. Our duty seismologist can confirm that this quake looks to have occurred on the Alpine Fault https://t.co/ahiVMZVBP1 pic.twitter.com/GyBwPP7DSW
— GeoNet (@geonet) June 8, 2019
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