The earthquake was centred in Cook Strait, about 20 kilometres east of Seddon. Abstract: On 16 August 2013, a magnitude Mw 6.6 earthquake occurred 35 km south-east of Blenheim in the South Island, New Zealand. 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 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. Aftershocks are not included, unless they were of great significance or contributed to a death toll, such as the M 6.3 Damage to buildings and Infrastructure Damage to buildings in Blenheim was generally light. You must … This earthquake had a magnitude of 6.6. The 2013 Lake Grassmere earthquake was a magnitude 6.6 earthquake that occurred at 2:31:05 pm (NZST) on Friday 16 August 2013. Report 5-87/5. Proceedings New Zealand Society for Earthquake Engineering. 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. 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. Translation of a Rigid Abutment Wall incorporating a Friction Slab Into a Sand Backfill. region of Lake Grassmere. Drive south of Blenheim to Lake Grassmere to find out more about the 2013 Cook Strait earthquakes 1. These earthquakes caused significant damage in Seddon and other communities in north-eastern Marlborough. Six months after the M w 6.6 Lake Grassmere earthquake, the 2014 M w 6.2 Eketahuna earthquake Lake Grassmere earthquake. 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. How deep was the Lake Grassmere earthquake and what magnitude… Wellington was also moderately shaken, which perhaps brought home to the capital city, the magnitude of what Christchurch was still going through. 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. 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. Most of the buildings in Seddon were damaged in some way, with many declared uninhabitable. 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 2013 Lake Grassmere earthquake was a magnitude 6.6 earthquake that occurred at 2:31:05 pm (NZST) on Friday 16 August 2013. 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. the magnitude 6.6 Lake Grassmere earthquake on Friday 16th August 2013 as well as a number of large foreshocks and aftershocks. Central Laboratories, Ministry of Works and Development, Lower Hutt. Annual Conference, Christchurch; Yeo E H. 1987. In 2014, … 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. 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. You’re in a cavity 200 m underground, with 500 tonnes of water per second cascading down the penstocks from the lake above. The 2013 Lake Grassmere earthquake was a magnitude 6.6 earthquake that occurred at 2:31:05 pm (NZST) on Friday 16 August 2013. Seismic performance of two water-storage dams during the Mw 6.6 Lake Grassmere Earthquake in August 2013. 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. Author: R. Amigh, M. Ghamgosar and C. Wu. #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. It was a shallow earthquake which had a hypocentre at a depth of 8 … 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). 2013 Seddon/Lake Grassmere earthquakes. 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. Performance of Highway Structures in the 2013 Lake Grassmere Earthquake. 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 … The epicentre was located about 10 km south-east of Seddon, under Lake Grassmere, with a focal depth of 8 km. 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. 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. Presented/Published: 2017 NZSEE Conference . 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 10km south-east of Seddon, under Lake Grassmere, at a depth of 8km. 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. Es handelt sich um eine flache Lagune, die von der Clifford Bay nur durch eine schmale, von Sanddünen bedeckte Barriere getrennt ist. Earthquakes regularly rattle the region. No observations of major failures or external cracking were apparent from our drive-through survey. 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). 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. 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. However, direct cause and effect based on the sensor temperature record and known earthquake locations and times does not conclusively prove this. 2013 Lake Grassmere earthquake. The huge salt stacks at the Lake Grassmere saltworks are a distinctive sight for motorists travelling on State Highway 1 between Blenheim and Christchurch. 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. 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