The Christchurch aftershocks show little sign of slowing down, with three shakes with a magnitude greater than 4.0 since 1pm this afternoon
A 4.6, a 4.1 and a 4.2 magnitude earthquakes have struck Christchurch this afternoon, GNS Science reports.
The first 4.6 magnitude quake struck at 1.03pm, and was
centred 10km southeast of Lyttelton at a depth of 5km, near Port Levy on Banks Peninsula.
GNS Science said the quake was felt in the Christchurch region.
At 1.29pm, a 4.1 magnitude aftershock struck at a depth of 8km, 10km east of Lyttelton, also near Port Levy.
It was also likely felt in the Christchurch region, GNS Science said.
It was followed by a third quake at 2.27pm, when a 4.2 magnitude quake hit. It was located 20km south-east of Lyttleton and occured at a depth of 6km.
On Twitter, Adrienne Rewi described the first one as a "decent shake".
"Whole house swaying. Don't feel them when I'm outside digging."
Thomas Mead described it as "rolling".
"Was it just me or was that really weird? Even felt like a different fault or something..." he wrote on Twitter.
