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Images, eqnz.chch.2010

Rolleston/Burnham, South Island, NZ It's been a busy few weeks! Was away on geology fieldtrips all the previous two weeks, then on Saturday morning 4th September 2010 at 4.35 am we got woken in Westport to a reasonable but very long earthquake. My husband was back in Christchurch at the time and texted me saying "are you ok?". I replied, "yes!"...

Research papers, University of Canterbury Library

The 2010-2011 Canterbury earthquake sequence was extremely damaging to structures in Christchurch and continues to have a large economic and social impact on the city and surrounding regions. In addition to strong ground shaking (Bradley and Cubrinovski 2011 SRL; Bradley 2012 SDEE), extensive liquefaction was observed, particularly in the 4 September 2010 Darfield earthquake and the 22 February 2011 Christchurch earthquake (Cubrinovski et al. 2010 BNZSEE; 2011 SRL). Large observed vertical ground motion amplitudes were recorded in the events in this sequence, with vertical peak ground accelerations of over 2.2g being observed at the Heathcote Valley Primary School during the Christchurch earthquake, and numerous other vertical motions exceeding 1.0g (Bradley and Cubrinovski 2011 SRL; Bradley 2012 SDEE; Fry et al 2011 SRL). Vertical peak ground accelerations of over 1.2g were observed in the Darfield earthquake.

Images, UC QuakeStudies

Photograph captioned by Fairfax, "Christchurch Earthquake. Wayne Alexander has now lived through 3 earthquakes with a richter scale of 7 plus. 1968 Inangahua, 1989 San Francisco and 2010 Christchurch. His father also lived through three of the same magnitude. (L-R) Lochlan Alexander (2 yr), Wayne Alexander and Annemarie Winstone (mother of Lochlan). They live in one of the old Dean's family residences which sustained chimney damage in Saturday's earthquake".

Images, UC QuakeStudies

Photograph captioned by Fairfax, "Christchurch Earthquake. Wayne Alexander has now lived through 3 earthquakes with a richter scale of 7 plus. 1968 Inangahua, 1989 San Francisco and 2010 Christchurch. His father also lived through three of the same magnitude. (L-R) Lochlan Alexander (2 yr), Wayne Alexander and Annemarie Winstone (mother of Lochlan). They live in one of the old Deans family residences which sustained chimney damage in Saturday's earthquake".

Images, Alexander Turnbull Library

The cartoon shows a daffodil blooming in an earthquake fissure with the wrecked buildings of Christchurch in the background. Context: September 4th is the anniversary of the first quake. Many people in Christchurch are still living in houses that may yet be red stickered (condemned) and many city buildings are still out of bounds, either condemned to destruction or rebuilt after the earthquakes of September 4th 2010 and February 22nd and June 13th 2011. But the return of spring maybe brings a sense of encouragement and hope. Title provided by librarian Quantity: 1 digital cartoon(s).