Update – A fresh quake strikes on morning of 30 April, scroll down
The long suffering residents of Christchurch endured another strong aftershock this afternoon, 16 April 2011.
A magnitude 5.3 quake, 10km northeast of Diamond Harbour at a depth of 11km, was felt strongly in the city, according to a GNS report quoted on The NZ Herald’s website. It was followed by a series of smaller shakes. The earthquake was later classified as a new event for insurance purposes
The Herald reported that power was lost to 20,000 Orion electricity customers, mainly in the southern part of Christchurch. More rocks had fallen in the suburban district of Sumner, an elderly couple were trapped in their Woolston home and stock had fallen again from supermarket shelves.
Stuff also reported on the quake
“Dixie McGregor, who works at the Pegasus Arms on Oxford Tce said emergency services had been mobilised.
“We’ve got a pub full of people but it’s OK here but all I can see outside is the Army and police. Some ambulances have left the hospital too – here we go again.”
Comments on social networking site Facebook include, “Is everyone OK? I don’t know how much more of this my nerves can take.”
One Twitter user said, “TV fell down in that one but it’s still going so everything is fine!”
At least 100 ‘felt it’ reports have been recorded on GNS Science.
Press reporter Martin van Beynen, who lives in Diamond Harbour, said the shaking of his weatherboard house was the most violent since the February 22 earthquake…” more here
New Zealand Police gave the following information
Police reassurance patrols checking rockfalls
Christchurch Police reassurance and response patrols are checking the Lyttelton, Cass Bay and Port Hills areas as a precautionary measure after reports of minor rockfalls following the 5.3 magnitude aftershock which hit the city just before 6pm tonight.
There is some rock debris in the Marriner Street area of Sumner, although the road is not closed. Some pipes were reported to have burst in the New Brighton area and power is out in some parts of the eastern suburbs.
Police urge people to be careful on the roads and to keep speeds down, especially in areas where traffic lights or street lights are out.
People rapidly shared information about the quake on the Trademe forum: Holy Shit that was big!!!!!! with people reporting it was huge in Cashmere and Kaipoi, nasty in New Brighton, massive in Queenspark and Avonhead, and big in Bexley. One person reported that the water flew out a half filled pool.
This latest quake has caused further liquefaction of soil in parts of Christchurch,this video of flooding and liquefaction was uploaded to YouTube this evening
These are some of the photos that were posted tonight on Trademe.co.nz
On the morning of Saturday 30 April a new quake (i.e. not an aftershock) of magnitude 5.2 was centered 60km north west of Christchurch at a depth of only 9km, causing alarm in various parts of the South Island
|Universal Time||April 29 2011 at 19:08|
|NZ Standard Time||Saturday, April 30 2011 at 7:08 am|
|Latitude, Longitude||43.18°S, 172.01°E|
|Focal Depth||9 km|