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Why did the 2011 Christchurch earthquake happen?

Why did the 2011 Christchurch earthquake happen?

The earthquake was caused by the rupture of a 15-kilometre-long fault along the southern edge of the city, from Cashmere to the Avon–Heathcote estuary. The fault slopes southward beneath the Port Hills and did not break the surface – scientists used instrument measurements to determine its location and movement.

What happened in the Christchurch earthquake 2010?

At 4:35 am on Saturday 4 September 2010, the Canterbury region was rocked by a magnitude 7.1 earthquake. The earthquake was based near Darfield, about 40 kms west of Christchurch. Many buildings were damaged, but only one person died and few people were injured.

How long did the Christchurch earthquake last 2011?

approximately 10 seconds
While the initial quake only lasted for approximately 10 seconds, the damage was severe because of the location and shallowness of the earthquake’s focus in relation to Christchurch as well as previous quake damage….2011 Christchurch earthquake.

Damaged Catholic cathedral two months on
Depth 5 km (3.1 mi)

How many deaths were there in the Christchurch earthquake 2011?

185 deaths
2011 Christchurch earthquake

Damaged Catholic cathedral two months on
Peak acceleration 1.51 g
Tsunami 3.5 m (11 ft) tsunami waves in the Tasman Lake, following quake-triggered glacier calving from Tasman Glacier
Landslides Sumner and Redcliffs
Casualties 185 deaths 1,500–2,000 injuries, 164 serious

How long was the Christchurch Earthquake 2011?

The Mw6.2 (ML6.3) earthquake struck the Canterbury region in the South Island, centred 6.7 kilometres (4.2 mi) south-east of the centre of Christchurch, the country’s second-most populous city….2011 Christchurch earthquake.

Damaged Catholic cathedral two months on
Local time 12:51 p.m. NZDT
Magnitude 6.2 Mw 6.1 Mw
Depth 5 km (3.1 mi)