Key Points:

Two earthquakes struck the Hanmer Springs area today.

GNS Science said the first quake, measuring 4.1 on the Richter scale, struck 10km south of Hanmer Springs at 1.30pm at a depth of 5km.

The second, measuring 3.7, occurred 5km south of Hanmer Springs at about 4pm at a depth of 10km.

GNS Science said the quakes would have been felt in northern Canterbury near Hanmer Springs.