This paper presents various aspects of the preliminary damage observations caused by ground motions in the Marlborough region following the M w6.6 Lake Grassmere earthquake on 16 August 2013. This is a list of large earthquakes that have occurred in New Zealand. No observations of major failures or external cracking were apparent from our drive-through survey. The epicentre was located about 10 km south-east of Seddon, under Lake Grassmere, with a focal depth of 8 km.The earthquake caused significant land damage in the local area, with landslips blocking roads, including the main highway between Blenheim and Christchurch. Damage to Wellington, only 80 kilometres north-east of the epicentre, was slight, but traffic chaos ensued as most people in the centre of the city tried to get out as quickly as possible. The area was the location of a swarm of M > 4 earthquakes in 2005 and before that, it was the location of the 1977 M 6 Cape Campbell earthquake and the 1966 M 5.8 Seddon earthquake (Holden et al. Seismic performance of two water-storage dams during the Mw 6.6 Lake Grassmere Earthquake in August 2013. Damage to Wellington, only 80 kilometres north-east of the epicentre, was slight, but traffic chaos ensued as most people in the centre of the city tried to get out as quickly as possible. This is now known as the Lake Grassmere Earthquake, and measured 6.6, with an epicentre only 10km south east of Seddon, 8km in depth. The climate, with a low average rainfall of 585 millimetres (23.0 in) and prevailing strong and dry north-westerly winds, provides Lake Grassmere with the suitable conditions required for natural economic salt production. #1 2013 Lake Grassmere earthquake Unclassified Updated: 2019-03-15 The 2013 Lake Grassmere earthquake was a magnitude 6.6 earthquake that occurred at 2:31:05 pm on Friday 16 August 2013. The epicentre was located about 10 km south-east of Seddon, under Lake Grassmere, with a focal depth of 8 km.The earthquake caused significant land damage in the local area, with landslips blocking roads, including the main highway between Blenheim and Christchurch. The epicentre was located about 10 km south-east of Seddon, under Lake Grassmere, with a focal depth of 8 km.The earthquake caused significant land damage in the local area, with landslips blocking roads, including the main highway between Blenheim and Christchurch. Report 5-87/5. For the first 30 years of the station’s life, there was the added possibility of backflow from the 10 km-long tailrace tunnel flooding the machine hall. You must … The M 6.5 (USGS) August 16, 2013 Lake Grassmere earthquake, south of Blenheim, New Zealand, occurred as the result of strike-slip faulting on or near the boundary between the Pacific and Australia plates. These two events and other aftershocks generated data that enabled a detailed analysis of five buildings in the Wellington Region which are … The 2013 Lake Grassmere earthquake was a magnitude 6.6 earthquake that occurred at 2:31:05 pm (NZST) on Friday 16 August 2013. Wellington was also moderately shaken, which perhaps brought home to the capital city, the magnitude of what Christchurch was still going through. Proceedings New Zealand Society for Earthquake Engineering. 2013 Lake Grassmere earthquake: | | 2013 Lake Grassmere earthquake | | | | ... World Heritage Encyclopedia, the aggregation of the largest online encyclopedias available, and the most definitive collection ever assembled. Author: R. Amigh, M. Ghamgosar and C. Wu. However, direct cause and effect based on the sensor temperature record and known earthquake locations and times does not conclusively prove this. Most of the buildings in Seddon were damaged in some way, with many declared uninhabitable. Drive south of Blenheim to Lake Grassmere to find out more about the 2013 Cook Strait earthquakes 1. region of Lake Grassmere. This earthquake had a magnitude of 6.6. Aftershocks are not included, unless they were of great significance or contributed to a death toll, such as the M 6.3 Then on 16 August 2013 a magnitude 6.6 earthquake with its epicentre under Lake Grassmere struck about 2:30 PM and was followed by a series of aftershocks over the next few hours, one of which was above magnitude 6 and several others above magnitude 5. It was a shallow earthquake which had a hypocentre at a depth of 8 … Damage to buildings and Infrastructure Damage to buildings in Blenheim was generally light. These earthquakes caused significant damage in Seddon and other communities in north-eastern Marlborough. 2013). A particular focus of our survey was on the earthquake impacts to the wine sector, the major industry in the region. Initial findings from these excursions are presented below. Presented/Published: 2017 NZSEE Conference . You’re in a cavity 200 m underground, with 500 tonnes of water per second cascading down the penstocks from the lake above. 2013 Seddon/Lake Grassmere earthquakes. The earthquake caused significant land damage in the local area, with landslips blocking roads, including the main highway between Blenheim and Christchurch. Translation of a Rigid Abutment Wall incorporating a Friction Slab Into a Sand Backfill. In 2014, … The 2013 Lake Grassmere earthquake was a magnitude 6.6 earthquake that occurred at 2:31:05 pm (NZST) on Friday 16 August 2013. The epicentre was located about 10 km south-east of Seddon, under Lake Grassmere, with a focal depth of 8 km.The earthquake caused significant land damage in the local area, with landslips blocking roads, including the main … On the 16 th August 2013, at 2:41pm NZST, a M W 6.6 earthquake struck at a very shallow depth of 8 kilometres underneath Lake Grassmere, in the extreme north-east of the South Island of New Zealand. Sie ist der nordöstlichste Teil der Ward-Senke. 2013 Cook Strait and Lake Grassmere earthquakes At 5.09 p.m. on Sunday 21 July 2013, a magnitude 6.5 earthquake rocked central New Zealand, causing minor damage. the Lake Grassmere earthquake to also look for evidence of primary surface fault rupture, on-ground field visits were conducted around the Wellington Harbour area (both earthquakes) and eastern Marlborough (Lake Grassmere earthquake only). At the latitude of this event, the Pacific plate moves towards the WSW with respect to the Australian plate at a rate of approximately 41 mm/yr. 2013 Lake Grassmere earthquake. the magnitude 6.6 Lake Grassmere earthquake on Friday 16th August 2013 as well as a number of large foreshocks and aftershocks. The earthquake was centred in Cook Strait, about 20 kilometres east of Seddon. The 2013 Lake Grassmere earthquake was a magnitude 6.6 earthquake that occurred at 2:31:05 pm (NZST) on Friday 16 August 2013. The epicentre was located about 10 km south-east of Seddon, under Lake Grassmere, with a focal depth of 8 km. Six months after the M w 6.6 Lake Grassmere earthquake, the 2014 M w 6.2 Eketahuna earthquake Abstract: On 16 August 2013, a magnitude Mw 6.6 earthquake occurred 35 km south-east of Blenheim in the South Island, New Zealand. Performance of Highway Structures in the 2013 Lake Grassmere Earthquake. Dubbed the Lake Grassmere earthquake, it struck at 2.31pm (1231 AEST) on Friday 10km southeast of the Marlborough town of Seddon at a depth of 8km, followed by a series of scary aftershocks. Der Lake Grassmere liegt etwa 30 km südlich von Blenheim und 11 km südlich der Mündung des Awatere River. The epicentre was located about 10km south-east of Seddon, under Lake Grassmere, at a depth of 8km. The 2013 Lake Grassmere earthquake was a magnitude 6.6 earthquake that occurred at 2:31:05 pm (NZST) on Friday 16 August 2013. The huge salt stacks at the Lake Grassmere saltworks are a distinctive sight for motorists travelling on State Highway 1 between Blenheim and Christchurch. Only earthquakes with a magnitude of 6.0 or greater are listed, except for a few that had a moderate impact. The 2013 Lake Grassmere earthquake was a magnitude 6.6 earthquake that occurred at 2:31:05 pm (NZST) on Friday 16 August 2013. The July/August 2013 Lake Grassmere earthquake sequence produced two notable events which resulted in peak ground accelerations (PGAs) in excess of 0.1g on both sides of Cook Strait (GNS Science, 2013). Earthquakes regularly rattle the region. Grassmere's area varies between 3,500 and 4,400 acres (14 and 18 km 2); this maximum is attained only in rare floods.The watershed is small. Annual Conference, Christchurch; Yeo E H. 1987. Es handelt sich um eine flache Lagune, die von der Clifford Bay nur durch eine schmale, von Sanddünen bedeckte Barriere getrennt ist. KiwiRail would be running a test train to Lake Grassmere on Monday, the first time a train had been further south than Spring Creek, north of Blenheim, since the earthquake. Central Laboratories, Ministry of Works and Development, Lower Hutt. How deep was the Lake Grassmere earthquake and what magnitude… On the 16 th August 2013, at 2:41pm NZST, a M W 6.6 earthquake struck at a very shallow depth of 8 kilometres underneath Lake Grassmere, in the extreme north-east of the South Island of New Zealand. Lake Grassmere earthquake. Leave a Reply Cancel reply. The epicentre was located about 10 km south-east of Seddon, under Lake Grassmere, with a focal depth of 8 km.The earthquake caused significant land damage in the local area, with landslips blocking roads, including the main highway between Blenheim and Christchurch. To the capital city, the magnitude of 6.0 or greater are listed, except a... 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