The 2010 canterbury darfield earthquake te ara encyclopedia. The head scarp of the harper hills landslide consists of ground cracks with vertical displacement and extension that opened during the 2010 darfield canterbury m w 7. Widely felt over the south island and the southern north island, it caused considerable damage in central canterbury, especially in christchurch. It was the largest earthquake to affect a major urban. Mar 18, 2008 i see dead people i mean, i hear voices in my head but in a good way seems to me they are simply called cracks, e. No major injuries were reported, according to the puerto rico director of. Aftershocks, triggered earthquakes, and christchurchs. Cracks in the earths surface caused by the earthquake were 2 miles long.
This photograph was taken from a helicopter at an altitude of around 200 metres, looking north, about 12 hours after the darfield earthquake. Case studies of observed pounding damage during the 2010. Strict mandatory construction earthquakes specifications were produced with a detail geotechnical land survey, providing protection from earthquakes. Geotechnical aspects of the 2010 darfield canterbury. The earthquakes epicentre was 40 kilometres 25 mi west of christchurch, close to the town of darfield. Northridge earthquake an overview sciencedirect topics. Can an earthquake cause the earth to crack in half. May 02, 2015 like others have noted, it would help if more information is provided on the type of residential house in question. The total injury burden was analyzed for demography, context of injury, causes. It was the largest earthquake to affect a major urban area since the 1931 hawkes bay earthquake. Thousands of new, highquality pictures added every day.
The causative faults of the earthquakes were very close to or within the city boundaries thus generating very strong ground motions and causing tremendous damage throughout the city. Coseismic deformation of land resulting in land cracking and deformation of land undulations, and may result in some down slopelateral movement evacuation. Twitter was regularly swamped with messages reporting what people had felt, as well as demands that geonet hurry up and post the location. The earth gets hotter by about 1 degree c with every 100 meters of depth on average. It will just rip the earths surface skin and totally reshape the physical features of earth 1 1 1. Effects of realistic fault geometry on simulated ground motions in the 2010 darfield earthquake, new zealand hoby n. Christchurch earthquakes of 201011 new zealand britannica. The 2010 canterbury earthquake also known as the darfield earthquake struck the south island of new zealand with a moment magnitude of 7. How to evaluate and diagnose complex combinations of foundation movement cracks, bends, leans, or shifts in foundation walls different causes of foundation leaning, bulging, cracking, creeping, tilting, sliding, or other movements, what they look like, how to fix them. The 2010 darfield earthquake effects on the christchurch wastewater system christchurch city was affected by the magnitude 7.
The darfield canterbury earthquake caused extensive ground liquefaction. I cant recall hearing any other word to describe the cracks. Strong earthquake shakes central california fulfilling. Eeri special earthquake report november 2010 3, including nine greater than m 5.
Darfield earthquake canterbury quake recent events. Impact of the darfield earthquake on the electrical power system infrastructure. I did hear a few anecdotes of cracks opening at the surface during large earthquakes. The earthquake was located on an unmapped fault that may not have. The geomorphology of the cracks, regional geology and ground penetrating radar indicate that the landslide formed by beddingcontrolled translation and jointcontrolled toppling, and suggest incipient deepseated. In the tangshan earthquake of 1976, considered the most devastating earthquake of the twentieth century, up to 650,000 people died, mostly due to inadequate building construction. The impact of the 2010 darfield canterbury earthquake on. The aftershocks disclose a roughly 60 km long eastwest rupture plane just south of the epicenter. Land cracking bulging near the base of the slope caused by downslope displacement deformation of land evacuation during strong earthquake shaking.
Some damaging aftershocks followed the main event, the strongest of which was a magnitude 6. Cracks opened up close to rivers and streams where the ground moved down towards the water, causing damage to manmade structures a process known as. May 30, 2018 actually local small cracks might open during an earthquake. The aim of this study was to investigate causes of injury during the 20102011 canterbury earthquakes. The principal event, sometimes referred to as the darfield earthquake, struck at 4. Foundations crack or become damaged for many reason.
Combine that with high pressure underground and its clear that by about 50 kilometers down, on average the rocks should be too hot and squeezed too tight. September 2010 canterbury darfield earthquake september. Effects of realistic fault geometry on simulated ground. The earthquake is thus officially called the darfield earthquake. Proceedings of the ninth pacific conference on earthquake engineering building an earthquakeresilient society 1416 april, 2011, auckland, new zealand paper number 173 case studies of observed pounding damage during the 2010 darfield earthquake g. The epicentre was near the town of darfield about 40 km west of the city of christchurch. Probably the most striking feature of the darfield earthquake was the vast amounts of liquefaction and lateral spreading that occurred. If a 00000000000 magnitude earthquake occurs, it will not crack the earth in half. The christchurch earthquake followed a larger magnitude 7.
Geotechnical aspects of the 2010 darfield canterbury earthquake misko cubrinovski1 1department of civil and natural resources engineering, university of canterbury, christchurch, new zealand abstract on 4 september 2010, a magnitude mw 7. Apr 11, 2019 land cracking bulging near the base of the slope caused by downslope displacement deformation of land evacuation during strong earthquake shaking. The earthquake on 4 september caused widespread damage and several. Like others have noted, it would help if more information is provided on the type of residential house in question. The 2010 christchurch earthquake caused damage in each component of wastewater reticulations. It was relatively shallow around 10 km deep and produced the strongest earthquake groundshaking ever recorded in new zealand. The temblor was the strongest east of the mississippi since 1944, and was felt by. The epicentre of the 4 september earthquake was near darfield, a small town 40 km. What new zealands deadly quake can teach cities live.
The map below courtesy of geonet shows that these smaller aftershocks the green circles do encompass the area containing the fault which. The christchurch earthquake, of moment magnitude m w 6. Surface rupture displacement was predominantly dextral strikeslip, averaging 2. Sep 04, 2010 september 2010 canterbury darfield earthquake. The darfield earthquake, of moment magnitude m w 7.
The 22 february 2011 earthquake christchurch earthquake was particularly devastating. The severest of those events were the earthquake magnitude from 7. The effect in christchurch from a magnitude 8 earthquake on the alpine fault would likely be similar to the canterbury 7. California earthquake created a massive crack in the. A supershear earthquake is an earthquake in which the propagation of the rupture along the fault surface occurs at speeds in excess of the seismic shear wave swave velocity. The earthquake was centred near the town of darfield, about 40km west. Performance of highway structures during the darfield and. Simulation of the 2010 darfield earthquake youtube.
I see dead people i mean, i hear voices in my head but in a good way seems to me they are simply called cracks, e. Several field researches on the pounding have also been conducted in loma prieta earthquake in 1989 kasai and maison 1997, darfield earthquake in 2010 cole et al. Geotechnical aspects of the 2010 darfield canterbury earthquake. The rupture of the earths surface is clearly visible in this aerial shot of the greendale fault, around 7 kilometres westnorthwest of burnham township. The initial shaking did not cause me to feel too much panic but as we drove and.
The work of the geer association, in general, is based upon work supported in part by the national science foundation through the geotechnical engineering program under grant no. Puerto rico earthquake causes homes to crack cnn video. The powerful earthquake was felt throughout the south island and lower north island, with a few scattered reports from as far north as auckland. See if you can figure out if the crack has been there for a while. The quake epicentre was 40 kilometres west of christchurch city, southeast of the town of darfield. Greendale fault historic earthquakes te ara encyclopedia. The 2010 canterbury earthquake struck the south island of new zealand with a moment. Based on the data and analysis done by professor brendon bradley from the university of canterbury, staff from the centre for eresearch at the university of. What new zealands deadly quake can teach cities live science. Christchurch earthquakes of 201011, series of tremors that occurred within and near the city of christchurch, new zealand, and the canterbury plains region from early september 2010 to late december 2011. Is it safe to stay in a room that consists of cracks caused. Illustrations show where cracks are most likely to appear, explain why, and suggest both repair approaches to drywall cracks and how to prevent cracking in plasterboard or gypsum board. September 2010 canterbury darfield earthquake nzhistory. Surface rupture displacement on the greendale fault during.
How the 2010 canterbury darfield earthquake affected. Feb 24, 2016 based on the data and analysis done by professor brendon bradley from the university of canterbury, staff from the centre for eresearch at the university of. Is it safe to stay in a room that consists of cracks. The epicentre was 37 kilometres west of christchurch, near the town of darfield. The report is mainly observations of seismic behaviour, although some research areas for. The darfield earthquake occurred on one of these faults in the canterbury plains, which was not recognized prior to the earthquake.
Bull university of canterbury, christchurch, new zealand. What happens if you fall into a crack during an earthquake. Im assuming this is an rc frame with masonry infills. It shook cantabrians, their properties, their land and their lives. The epicentre of the earthquake was near darfield town, 40 km west of christchurch city. A key feature of the darfield earthquake was its aftershocks, with 2,712 events recorded to the 9th september 2011, 31 of which were above magnitude 5. There was no tsunami resulting from this earthquake as. Missouri university of science and technology scholars mine. Because of this, its scientific name is the darfield earthquake, though it is more widely known as the canterbury earthquake. Actually local small cracks might open during an earthquake. Darfield earthquake, new zealand event recap report.
Last septembers darfield earthquake was centred 40 km to the west of christchurch, but the epicentres of the aftershocks in the months that followed gradually migrated east towards the city. Find earthquake crack stock images in hd and millions of other royaltyfree stock photos, illustrations and vectors in the shutterstock collection. It was caused by rightlateral movement along a previously unknown regional. We do a threedimensional 3d decomposition of the coseismic displacement of the darfield, new zealand. Pdf impact of the darfield earthquake on the electrical power. There was no tsunami resulting from this earthquake as it had occurred on land. The total injury burden was analyzed for demography, context of injury, causes of injury, and injury type.
The darfield earthquake was the first in new zealand in which social media were used to share information. Darfield earthquake canterbury quake recent events natural. This builds on a previous post which describes the physical properties of the alpine fault in more detail. Cracked tarmac adjacent to a bridge in an area of christchurch where ground shaking was probably amplified by local site soil effects. Proceedings of the ninth pacific conference on earthquake engineering building an earthquake resilient society 1416 april, 2011, auckland, new zealand paper number 173 case studies of observed pounding damage during the 2010 darfield earthquake g. Data on patients injured during the darfield 4 september 2010 and christchurch 22 february 2011 earthquakes were sourced from the new zealand accident compensation corporation. The principal event, sometimes referred to as the darfield earthquake, struck at. Strong earthquake shakes central california fulfilling usgs. Pounding damage observed in the 2010 darfield earthquake. Cracks due to the earthquake activity in cyprus the construction method used to build a property is gravity considered unbreakable concrete frame building with unreinforced brickwork infill walls. Geonet earthquake reports were sent out using both twitter and facebook after each major aftershock. The earthquakes epicentre was located some 25 miles 40 km west of christchurch near the town of darfield, and the focus was located about 6 miles 10 km beneath the surface. Woman surveying the damage to her home near christchurch, close to the.
The earth is big, and so are the tectonic platesit doesnt seem possible that anything humans could do to the earth would have an effect on those plates. Other damage caused by earthquakes results from landslides, mudslides, avalanches, fires, soil liquefaction and tsunamis. Maybe there is dust inside the crack or the colors have faded. The screen went blank, and our world cracked and roared, bucked and. First, fracture orientation is confirmed by the earthquake. Performance of residential houses in the darfield canterbury. Information paper,the canterbury earthquakes royal society of. Surface rupture of the previously unrecognised greendale fault extended westeast for 30 km across alluvial plains west of christchurch, new zealand, during the mw 7. The impact of the 2010 darfield canterbury earthquake on the geodetic infrastructure in new zealand 212 1. Mar 11, 2011 if a 00000000000 magnitude earthquake occurs, it will not crack the earth in half. Roots may cause cracks, however, foundations rarely crack from the roots pushing up, but from them drawing the moisture out of the soil under the foundation due to transpiration.