Many buildings and landmarks were severely damaged, including the iconic 'Shag Rock' and ChristChurch Cathedral. Offers of assistance were made quickly by international bodies. Contingents of Urban Search and Rescue (USAR) soon arrived. Teams were provided by Australia, USA, Singapore, Britain, Taiwan, Japan, and China. The Royal New Zealand Navy was involved immediately. HMNZS Canterbury, which was docked at Lyttelton when the quake struck, was involved in providing local community assistance, in particular by providing hot meals. After inspection, the runway at Christchurch airport was found to be in good order. Due to the demand of citizens wishing to leave the city, the national airline Air New Zealand, offered a $50 Domestic Standby airfare. The Air New Zealand CEO increased the domestic airline traffic from Christchurch to Wellington and Auckland. Thousands of people took up this offer to relocate temporarily in the wake of the event. On 1 March at 12:51, a week after the tragedy, New Zealand observed a two-minute silence. June 2011 On 13 June 2011 at approximately 1:00 pm New Zealand time, Christchurch was again rocked by a magnitude 5.7 quake, followed by a magnitude 6.3 quake (initially thought to be 6.0) at 2:20 pm, centred in a similar location as the February quake with a depth of 6.0 kilometres. Dozens of aftershocks occurred over the following days, including several over magnitude 4. Phone lines and power were lost in some suburbs, and liquefaction surfaced mainly in the eastern areas of the city which were worst affected following the aftershocks. Many residents in and around the hillside suburb of Sumner self-evacuated. Further damage was reported to buildings inside the cordoned central business district, with an estimate of 75 additional buildings needing demolition. Among the buildings further damaged was the Christchurch Cathedral, which lost its iconic Rose window, a factor reducing the likelihood of the cathedral being restored. There was only one death recorded following the quake; however there were multiple injuries. Notelist Notes References External links Heritage Maps at the Christchurch City Libraries The Archaeology Of Canterbury In Maori Times, Aidan J. Challis, Department of Conservation