The 1987 M W 6.5 Edgecumbe earthquake caused localised liquefaction and lateral spreading in parts of the Rangitaki Plains in the Bay of Plenty, New Zealand. The Pleistocene-to-Holocene Edgecumbe volcanic field covers about 260 km2 of Kruzov Island west of Sitka in the SE panhandle of Alaska. The Edgecumbe earthquake was the first since the 1968 Īnangahua quake to cause major damage. They opened the floodgates to lower the lake level, but controlled the flow to ensure the river would not overtop its stopbanks downstream. The earthquake … Commercial re-use may be allowed on request. At 1:42pm on 2 March 1987 a large earthquake occurred in the northern Bay of Plenty, near the town of Edgecumbe. A fissure up to 3 metres wide and 3–4 metres deep opened up along much of the fault, although some sections were marked just by zones of cracks. Many roads were blocked by slips or had split open, making it impossible to use them. Roads split open, and brick cladding fell off houses. Edgecumbe Earthquake, N.Z., 1987 Edgecumbe Earthquake, N.Z., 1987; Nicholson, … The people who live there are dotted about on … Please ensure that you have JavaScript enabled in your browser. Railway tracks were twisted and bent, and a diesel-electric locomotive toppled over. On the afternoon of 2 March 1987 at 1.35 p.m, a magnitude 5.2 earthquake rocked the Bay of Plenty region. The 1929 Arthur’s Pass and Murchison earthquakes; The 1931 Hawke’s Bay earthquake; In the Napier earthquake; Rebuilding Napier; The 1942 Wairarapa earthquakes; The 1968 Īnangahua earthquake; The 1987 Edgecumbe earthquake; The 2010 Canterbury (Darfield) earthquake; The 2011 Christchurch earthquake; … This main shock, at 1.42 p.m., had a magnitude of 6.3 and was centred north of Edgecumbe. Liquefaction and lateral spreading was well documented proximal to the waterways in areas underlain by recent fluvial and … It … During the preceding month, swarms of earthquakes had unnerved the residents of Kawerau and Edgecumbe and distinct foreshocks were felt at Matata and Thornton prior to the main earthquake. It is now known as the Edgecumbe Fault. The number, distribution, … At the N.Z. The earthquake was felt throughout much of northern New … These northeast trending tectonic ruptures are … At Bay Milk Products in Edgecumbe, pipes and silos collapsed, spilling milk. A major worry was the large earthfill hydro dam at Matahina on the Rangitāiki River. The region which sank downward is now more prone to flooding. A Singapore newspaper quoted ‘the Police’ as saying that 95% of homes in the Kawerau, Whakatāne and Edgecumbe areas were uninhabitable. Two milk tankers were thrown over onto one side by the force of the quake. An 80 tonne train toppled sideways in the Edgecumbe railway yards, and several kilometres of railway line in the area buckled in the earthquake. Recent studies utilizing extensive CPT investigations indicate that much of the Whakatane Central Business District is underlain by sediments with a low cyclic resistance to liquefaction. At 1.35 p.m. on 2 March 1987, a magnitude 5.2 earthquake struck the Bay of Plenty region, cutting power and sending many people outdoors. The damage it caused was most severe in Edgecumbe and nearly as severe in Kawerau, Matata, Thornton and Te Teko, with surface ruptures spreading across the Rangitaiki Plains. Most injuries were minor cuts and bruises, but 35 people were seriously injured. There were a number of impacts and hazards that resulted … Another was trapped under 11 huge circular saws, each of them 2 metres in diameter. Because of the earthquake, many people left and therefore Edgecumbe's population dropped considerably. Quite the same Wikipedia. A foreshock just minutes before had cut the power supply and many people had moved away from heavy machinery and out of their houses. BiblioWeb: app01 Version 3.26.0 Last updated 2021/01/20 07:34, After the Paint n’ Pen art exhibition, local…, #PopUpPenguins are in Christchurch! Water flows were disrupted in a number of places. In Kawerau 40 houses were evacuated because of an unstable hill above them. The largest aftershock was measured at 5.5 and struck at 1:52 pm. Kawerau was one of the worst-affected towns in the 1987 Edgecumbe earthquake. Edgecumbe was evacuated with about 1600 locals forced to leave their homes. 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